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The best gate alarms in comparison

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Yale Outdoor Contact - Sync Alarm Accessory - IP66 rated for outside - Mount Outside on Gates, Entries or Exits - 200 m Range - Works with Alexa, Google Assistant and Philips Hue Grey

Yale Security

31% off

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MONITORS ENTRANCE STATUS Allows for the monitoring of outdoor gates, doors, entry and exit points on the exterior of your home.
REAL TIME ALERTS Activates alarm if entry way is opened and the alarm is armed, triggering your Yale Sync Alarm and real time notifications to the Yale Alarm app.
EASY TO SET UP AND INSTALL Mountable on metal surfaces thanks to its powerful magnet. Link to your Yale Sync Smart Home Alarm straight out of the box, allowing you to customise your system with 40 accessories. No tools required.
IP66 RATED waterproof design

£ 41.64

£ 59.99

Ring Alarm Outdoor Contact Sensor

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Get real-time alerts when your outdoor gate opens, or set the sensor to automatically trigger the siren on your Ring Alarm when armed in Home or Away mode.
Easy, tool-free installation.
Requires Ring Alarm Base Station. Compatible with 1st and 2nd generation Ring Alarm devices and accessories.
With its weather-resistant design, the Ring Alarm Outdoor Contact Sensor can withstand outdoor use in most climates. Easily mount the wireless sensor to your outdoor gates, sheds, storage containers, or windows to get alerts when they open or close. Outdoor Contact Sensor comes with mounting tape and screws for easy installation on most surfaces.

PHYSEN Wireless Driveway Alarm,Long Range PIR Outdoor Motion Sensor Burglar Alarm System,DIY Home Security Motion Sensor Chime Doorbell Kit Protect Garage/Sheds/Garden Security,1 Receiver and 1 Sensor

PHYSEN

15% off

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Reliable After-sale Service 30 days return for free& 2-years warranty & reply in 7*24 hours. Any inconveience in use, please follow step 1 clear the matching code by long press the "down" button of receiver till for 5 seconds, step 2 press "volume"button for 5 seconds to enter pairing mode, step 3 wave your hand in front of sensor to trigger & send the singal to the receiver. BEFORE USE, please turn on the main power switch inside. If still doesn't work, please contact us to replace it.
Upgraded Motion Detector, 3 Gears Adjustable Sensitivity open the back cover of the motion detector, Install 4*AA batteries and turn main power switch on, cover it and connect the detector and rorateable base, install in any place you needs to use. combined with customer needs, we adjusted the design of monitoring range of infrared detector, there is a sensitivity switch inside of it, adjust it to have a different monitoring range( 10 or 20 or 30 feet ) according your needs
Expandable Home Alarm Sytem The wireless motion sensor alarm includes 1 motion sensor and 1 plug-in receiver, up to 58 sensors, doorbells and receivers allowed to be expanded to protect your propoty and security. Good as a doorbell alert for home security, also a doorbell detector for business.
58 Chimes & 5 Levels Volume & Mute Mode High quality Receiver with 5 volume levels (including mute) from 0 -110 db and visual alert via LED light on chime. each sensor and transmitter of your home security system can be programmed to have a different ringtone. mute mode only LED flashes without chime.

800 Meters Solar Driveway Alarm System-Up to 70FT Wide Sensor Range 3 Adjustable Sensitivities-Fully Weatherproof Outdoor Motion Sensor&Detector DIY Security Alert System-1 Receiver and 2 Sensors KIT

HTZSAFE

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PLUG&PLAY,SUPER EASY TO INSTALL- Turn on the solar sensor and plug the receiver into an outlet,here we go. The unit has been programmed before shipped, the solar motion sensor does not need replace batteries and wireless communication between the devices, the installation time can be as little as a few minutes.
20METERS WIDE MOTION DETECTION RANGE- The solar sensor can detect moving people or vehicles from 7.5 meters to 20 meters in front of it. Improved motion detection chip and detection angle to reduce the false alarms from dead leaves small animals sunlight wind temperature changes and etc. It has 3 adjustable sensitivities( Low 7.5m; Medium 15m; High 20m), ideal for driveways, walking paths,yard,garage,gate,pool and anywhere of your property you want to be alerted.
FULLY EXPANDBLE SYSTEM&GUARANTEED 2-YEARS WARRANTY- The unit includes one solar motion sensor and one plug-in receiver.Expandable up to 4 sensors and unlimited receivers for complete coverage of your property. 4 volume levels adjustment and 35 optional melodies. Match different melody with different sensor around your property to differentiate where motion is being detected(Such as the melody for the front door is Ding Dong ,and for the backyard is Jingle Bells )

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Irishom 433MHz Wireless WIFI + GSM Auto-dial Alarm Security System LCD Display Door Sensor PIR Motion Sensor Phone APP Remote Compatible with Alexa Home Voice Control Smart Burglar Alarm System

Irishom

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Advanced TFT LCD Screen Display and Voice Prompt The Tuya Standard Alarm Security System features a high-quality 2.4inches TFT LCD screen display, providing clear visuals and intuitive operation. The voice prompt guides users through every step, ensuring easy setup and usage.
Comprehensive Remote Control Via Phone App This alarm system supports both WIFI and GSM connection, allowing users to easily control and monitor their home security from anywhere using the dedicated phone app. With just a few taps on your smartphone, you can remotely arm disarm the system, adjust parameters, and manage accessories.
Multiple Defense Zones and Flexible Arming Options With support for up to 100 wireless defense zones, including RFID cards and wireless detectors, this Smart Home Burglar Security Alarm System offers comprehensive conservation for your premises. It provides various arming modes, such as away arm, home arm, remote control arm, and remote telephone arm, giving you the flexibility to customize your security preferences.
Enhanced Compatibility and Integration In addition to its standalone functionality, this alarm system is compatible with Alexa, Home, and IP cameras, enabling seamless integration into your smart home ecosystem. You can easily monitor your baby or elderly family members with the integrated IP camera feature and enjoy the convenience of voice control through your preferred smart assistant.
Reliable and Convenient Features The Tuya Alarm Security System comes with several reliable and convenient features. These include SMS and dialing alarm notifications, support for 5 groups of preset alarm phone numbers, and timing arm and disarm functions. The system also includes a built-in lithium rechargeable battery to ensure continuous operation even during power outages.

TECKNET Door Alarm Sensor, Window Alarms Sensors, 2-in-1 Alarm & Chime, 3-level Volume Control, Door Sensor for Home Security, Wireless Burglar Alarms for House, Shop, Office, Garage (3 PCS)

TECKNET

15% off

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Easy to Install Just use the attached stickers to gently install the burglar alarm on various parts of the house, such as doors, windows, cabinets, drawers, gates, etc.! (Note Keep the installation area clean and ensure that the sensor is installed within 2 cm from the arrow side of the alarm.)
36 Months Warranty If you encounter any problems in using the product, please feel free to contact our professional customer service team, enjoying TECKNET 36 Months Warranty (Registered Only)
Mini and Portable With its mini design, this wireless ring alarm won't take up any extra space. You can easily carry it in any backpack when you go out. (If the alarm isn't working, check if it's in OFF mode or if the batteries need replacing.)

£ 11.04

£ 26.98

HommyFine Motion Sensor Alarm Detector, Wireless Visitor Door Entry Chime Alart with PIR Motion Sensor Detector and Plug-in Receiver for Business Home Office or Shop

HommyFine

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Working Range up to 328 feet (100 meters) between the infrared sensor and receiver allowing you to place it a good distance from the receiver to warn you of arrival and departure of family members, unwanted guests or solicitors, or anyone who visits your home or business
Alarm system with a total of 38 different ring tones to greet your guests. 3 levels of volume control loud, medium, quiet. 2 Alarm mode ringtones + LED lighting or only LED lighting.
The range of the sensor is 3 to 7 meters vertically and 3 to 5 meters horizontally.
Ideal for front doors, window frames, driveways, walking paths, and anywhere in your home you want to be alerted to motion. Also great to alert business owners that are working in the back, or out of sight, to customers entering their store.

KERUI Wireless Security Burglar Door Alarm System Kit for Garage Shed House Hotel Shop Apartment, Weatherproof Siren Horn with Remote Control Door Contact Sensor,Motion Sensor,Loud Up to 115db

KERUI

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Door alarm uses remote controls to set security code for arming disarming; home security system complete with fully programmed main unit and sensors, later if you want to DIY, please factory reset first according to manual, then pair them again or search operation video on YouTube "KERUI Standalone Alarm System Operation Guide" for reference.
DIY expandable home burglar security alarm system - This alarm horn supports up to 40 pcs wireless detectors, 10 remote controls, 10 doorbell buttons, up to 115dB loud alerts with deluxe door alarm system for peace of mind.
Complete DIY wireless house burglar alarm system kits includes a horn and two door window sensors, two remote controls, a PIR motion detector, loud alarm and better protection for apartment shed hotel garage safety, affordable home security.
SOS alarm to get help - Children and seniors at home when in emergency, they can press the S button of the remote control, which will set off the siren alarm up to 115dB to notify other members at home or neighborhood, so that they can get help in time.
After-sale service - Kindly refer to the user manual before use, if you have any questions or needs to customize alarm system kit, please feel free to contact us, we will try our best to help; The alarm system kit can work with KERUI brand alarm hub, DIY the alarm system as you require.

£ 29.99

£ 39.99

SYNLETT Bed Alarm Caregiver Pager with Wireless Motion Sensor Alarm Indoor Fall Prevention for Elderly Monitoring Seniors Dementia Patients Seniors Home Door Chime

SYNLETT

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PORTABLE BED ALARM DEVICE The portable bed alarms and fall prevention for elderly device is applicable at various areas indoor such as bedroom, bedside floor, doorway, door exit, wall or any horizontal vertical surface. The convertible bottom stand enables the motion sensor to sit stable on flat surface or mount it on wall as elderly monitoring with included attachment accessories.
NEVER MISS AN ALERT Switch the wireless pager to DINGDONG for a loud door chime doorbell alert. Change it to MUSIC for a pleasant music tone when receiving signal from the motion sensor. A simple wireless motion sensor and pager system for seniors or dementia products for elderly at home.
EFFECTIVE BED ALARM SYSTEM This door alarm system works effective for small family home or care unit as a smart motion sensor or door alarms sensor system. It is also applicable for business entry or anywhere around your home.

Window Door Alarm 6 Pack Noopel Home Security Ultra-Slim Door and Window Alarms Door Window Burglar Alarm with LOUD 120 DB Siren - DIY EASY to Install (6)

Noopel

55% off

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Magnetic door alarm sensor 120db alerts a person to a door or window opening.
Prevent children going out the house without notice.Also ideal entry warning for your home,office,apartment,garage and so on.
Ultra-sensitive also Low battery indicator to check battery life.This is a PERFECT AFFORDABLE compliment for your home security.

This ranking is created through algorithmic analysis of millions of products tailored specifically to your search. We aim to find the most suitable product for you based on manufacturer information and price. The ranking reflects our opinion and should serve as a good starting point for your purchase. We would like to point out that we have not tested the products ourselves and link to selected online shops and partners from which we may receive compensation.

You might also be interested in these gate alarms.

PGST 8 piece Home Security Burglar Alarm System, WIFI + GSM for Home and Apartment, with Door/Window Contact, Motion Detector, Works with Alexa and Google for Home

DIY & Easy setup Connect to Wi-Fi (2.4G) via the Tuya app, and place sensors where you need it most. Ultra-high decibel siren helps deter intruder. Hub has a built-in rechargeable battery. It can continue to work for 4H in emergency situations such as power outages.

~~£ 69.99~~ free shipping

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Shed Alarm Home Security Wireless | Shed Garage Lockup Summer House | Easy Self Install Waterproof Vibration Tech 113db Exceptionally Loud

Pre-Warning Alarm, Deters Break in Before The Damage Is Done

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HOMEYO Driveway Alarm Wireless Weatherproof Motion Sensor, Home Security Alarm 500 FT Motion Detector Alarm for Gardens/Mailbox/Gate/Sheds/Indoor/Outdoor Property (1 Receiver & 2 Sensors)

Long Distance Wireless and Reliable Battery Life With its long-distance wireless capabilities, this driveway alarm can cover up to 500ft in distance, providing reliable detection of approaching vehicles or pedestrians. It also features a powerful battery that trigger 50 times a day, the sensor's battery can be used for a year, ensuring you always have an alert system you can count on.

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TOPENS TC102 Photocell Infrared Beam Sensor Safety Photoelectric Motion Detector for Automatic Swing Sliding Gate Openers Garage Door Openers Security Alarm Systems Access Control Outdoor Use

Trustworthy Infrared Sensor - The TOPENS TC102 Safety Photo Eye Beam Sensor employs infrared light for object detection, creating a safety barrier between the emitter and receiver. This photoelectric sensor identifies any movement interruption in the infrared beam, prompting the gate to stop or reverse automatically. It is strongly recommended to use the TC102 IR beam sensor with automatic gate opener system to ensure multiple protection & security.

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SECRUI Wireless Door Open Sensor Alarm Chime, 400ft Operating Range 52 Chimes Adjustable Volume with Mute Mode LED Indicators Magnetic Door Alarm Sensor for Home Store Office Security

52 MP3 Door Chime & Mute -- This wireless door entry alert for shop has 5 levels of adjustable volume from 0-110 dB. Offer 52 elegant mp3 music from the traditional"Ding Dong" to various well know chimes. Memory function Keep the previous setted tune after re-plugging it.

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Waytronic Wireless PIR Motion Sensor Detector Security Alarm Chime, 2 Sensor and 1 Receiver, 8m Detection Range, Night Light, 36 Ringtones, 5 Welcome Sounds, Wall Mount

Reliable Range The transmission range of sensor detects motion up to 280m 918ft and detection range of the infrared sensor approximately 2 8m 6.6 26ft to effectively keep you alerted. When the movement is detected by the sensor,the receiver will make an audible sound and the LED light will flash.

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Mengshen Wireless Vibration Alarm, Anti-theft Burglar Alarm for Bicycle/Bike/Motorcycle/Car/Vehicles/Door/Window, 110db Super Loud (Remote Control Included)

Perfect to protect your shop, office, home or anywhere requiring protection. Let you enjoy a safe and comfortable life!

~~£ 13.99~~

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Ring Alarm Contact Sensor (2nd Generation)

Requires Ring Alarm Base Station. Compatible with 1st and 2nd generation Ring Alarm devices and accessories.

~~£ 19.99~~ free shipping

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Motion Sensor Doorbell for Business Store Entry Alert Welcome Buzzer Monitor Alarm, Outdoor Door Chime Kit for Home - LED Indicator & Vibration

MULTIPURPOSE Ideal for front doors, window frames, mailbox alert, walking paths, entry alert chime, pet monitor alarm and anywhere in your home you want to be alerted to motion. Also great to alert business owners that are working in the back, or out of sight, to customers entering their store.

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Door Chime Sensor Wireless Door Sensor with LED Number Display,Gate Alarm Sensor, 110 dB Super Loud,Prying Door Alarm,Entrance Alert with 500Ft Range 5 Volume Levels Adjustable（1 Receiver & 4 Sensor）

Long Receiving Range of 500Ft 150m & Expandable The door sensor alarm chime system has a large signal reception range. It can be used in both 2 or 3-story house. It can also pair to additional receivers or call buttons to expand your using range.

~~£ 34.99~~ free shipping

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Motion Sensor Door Chime Alarm,BeiLan Wireless Home Security Driveway Doorbell,Visitor Business Door Bell Chime with 1 Plug-in Receiver and 1 PIR Motion Sensor Detector Weatherproof Alert Kit

User-Friendly There are 2 modes choices (LED Flash Sound and LED Flash), 3 levels volume adjustment (High Middle Low ) from 25-80dB and 38 Ringtones to choose.

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HOSMART 1/2 Mile Long Range Wireless Driveway Motion Alarm System Outdoor Weatherproof Motion Sensor & Detector (1 Base Receiver and 2 Tan Sensors)

HOSMART ADVANTAGE-30 years+ outdoor driveway alarm wireless driveway alert system produced in our own factory with our leading edge systems technology. Wireless Driveway Alarm Includes 1 Base Receiver and 2 yellow Sensor powered by AA batteries.

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The best gate alarms in comparison

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You might also be interested in these gate alarms.

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