WhichOne › DIY store & garden › home security system › home security › alarm system

The best alarm systems in comparison

Guaranteed independent and reliable
Millions of satisfied users every year
Last updated on 25.04.2025

Filter

Sort

Filter:Brand:Reduced items only:

Best choice

Yale IA-320 Sync Smart Home Alarm 6 piece kit. Includes Sync Alarm Hub, External Siren, 1x Door/Window Contacts, 2x PIR Motion Detector, Keypad. Works with Alexa, Google Assistant & Philips Hue

Yale Security

29% off

free shipping

show more show less

9,9

Offer ends in:

03Days

07hours

55minutes

09seconds

Check price

Show on Amazon

Features

High Security for your Home With a Smart Alarm Hub with internal siren, External Siren and range of accessories to secure the rooms in your house with ease, the Yale Sync Smart Home Alarm is the smart choice to keep your home secured and protected at no extra cost.
Extensive 200m Wire-Free Range Protect your garage and outbuildings with our 200m wire-free range.
Subscription Free App-Control With no monthly fees or subscriptions, you can arm, disarm, part-arm and check status of your alarm via the Yale Home App. Know when someone opens a window door with our Door Window Sensor or when the alarm is triggered with real-time notifications.
Part-Arm Your Home Chose whether to fully secure or part arm your system for total security. Whether you're at home or away, you can feel secure knowing your home and pets are safe when you are not there.
Geo-Location When life gets busy, you can rely on Geo-location to remind you to set the alarm when you leave your home.

£ 192.36

£ 227.00

£ 239.98

£ 259.00

£ 269.00

CPVAN Home Alarm System, WiFi PIR Motion Sensor Alarm, Wireless DIY Smart Door/Window Alarm for Home Security with Phone APP Alert 9 Pieces Kit (Indoor PIR Alarm Hub, 6 Door Sensors, 2 Remotes), CP2W.

CPVAN

24% off

free shipping

show more show less

9,8

Offer ends in:

02Days

07hours

40minutes

10seconds

Check price

Show on Amazon

Features

DIY Installation - Easily set up CPVAN Wireless Home Security System in minutes. The alarm station should ALWAYS CONNECT to AC adapter via the cable in the package. The backup batteries of the alarm hub works for 8 hours, only as an emergency battery.
No Monthly Fees - CPVAN WiFi Alarm System is a one-time purchase at no extra fee. Arm and disarm your alarm system by the remotes or directly from your phone via the Smart Life App.No contracts and No subscription fee. We offer a 60-day money back guarantee, a 3-year manufacturer warranty, as well as lifetime customer support.
If No Wifi - If a power or wifi outage occurs, your alarm will continue to function for up to 8 hours on backup battery power, emitting a 125dB alarm to deter intruders when it detects motion or when the door or window is opened.(No app alerts without wifi)

Recommendation

Ring Alarm Pack - XL with Alarm Outdoor Siren by Amazon | Smart home alarm security system with optional Assisted Monitoring - No long-term commitments | Works with Alexa

Ring

14% off

show more show less

9,7

Check price

Show on Amazon

Features

This Alarm Pack is ideal for homes with 3 bedrooms or more.
Arm and Disarm your Alarm security system in the Ring app or pair with compatible Alexa-enabled devices to take control using your voice. (Ring Home Subscription required, sold separately)
Compact and secure, Alarm Contact Sensors mount to door and window frames and alert you when they are open. The discreet Motion Detectors mount to room corners or flat walls and send you real-time notifications whenever motion is detected at home. Use the Ring app to control it all from one simple dashboard.
Ring Alarm is quick to install and easy to use. Simply follow the steps in the Ring app. Add additional Motion Detectors, Contact Sensors, or an Outdoor Siren to expand your whole-home protection to suit the size and layout of your home.
Subscribe to Ring Home (sold separately) and get Alarm Calls which automatically call your nominated contacts in the event of an emergency, Cellular Backup that keeps your Alarm system online if your internet goes down and much more

SimpliSafe Home Security System | 13 Piece Home Security Camera & Alarm System with Entry Sensor, Motion Detector & Outdoor Siren - Optional Monitoring Subscription - Compatible with Alexa

SimpliSafe

free shipping

show more show less

9,7

Check price

Show on Amazon

Features

EASY DIY INSTALLATION No drilling, wiring or professional installation required. Perfect for homeowners or renters, your SimpliSafe security alarm system is just a click away from protecting you, your family and possessions. House Alarm Setup in under 1 hour
PET FRIENDLY & SILENT Designed to detect the unique heat signatures of humans, the motion sensor alarm lets cats and dogs (up to 23kg) roam freely around the house. The 1080p indoor security camera streams live footage directly to the app
OPTIONAL MONTHLY SUBSCRIPTION Complete your home alarm system with professional 24 7 monitoring from 15.99 month. Unlock full functionality for 27.99 month, including app control and emergency service call outs. Your system comes with a 60-day 100% satisfaction guarantee

Yale HSA6410 Premium+ Home Alarm Kit

Yale

free shipping

show more show less

9,6

Check price

Show on Amazon

Features

Wireless up to 40m
Tamper Alerts

£ 179.99

£ 144.97

eufy Security 5-Piece Home Alarm Kit, Home Security System, Keypad, Motion Sensor, 2 Entry Sensors, Home Alarm System, Control From the App, Links with eufyCam

eufy Security

free shipping

show more show less

9,6

Check price

Show on Amazon

Features

INDIVIDUAL SETTINGS The security system can be easily programmed according to the needs of your family in the eufy security app or by PIN on the keypad.
International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.

Ring Alarm Pack - M with Alarm Outdoor Siren by Amazon | Smart home alarm security system with optional Assisted Monitoring - No long-term commitments | Works with Alexa

19% off

show more show less

9,6

Check price

Show on Amazon

Features

This Alarm Pack is ideal for 2 bedroom homes.
Arm and Disarm your Alarm security system in the Ring app or pair with compatible Alexa-enabled devices to take control using your voice. (Ring Home Subscription required, sold separately)
Compact and secure, Alarm Contact Sensors mount to door and window frames and alert you when they are open. The discreet Motion Detectors mount to room corners or flat walls and send you real-time notifications whenever motion is detected at home. Use the Ring app to control it all from one simple dashboard.
Ring Alarm is quick to install and easy to use. Simply follow the steps in the Ring app. Add additional Motion Detectors, Contact Sensors, or an Outdoor Siren to expand your whole-home protection to suit the size and layout of your home.
Subscribe to Ring Home (sold separately) and get Alarm Calls which automatically call your nominated contacts in the event of an emergency, Cellular Backup that keeps your Alarm system online if your internet goes down and much more

YISEELE Alarm System, Security Alarm System for Home, WIFI Wireless House Alarm System with APP Alert and Calling Alarms, 16-Piece kit: Alarm Hub with 120DB, Door/Window Sensors, Anti-pet PIR, Remotes

YISEELE

free shipping

show more show less

9,6

Check price

Show on Amazon

Features

Covers the whole Room - The motion sensor detects activity within 12 feet, it has a 90-degree field of view, and gets along well with pets up to 50 lbs. Perfectly covers the entire room
Easy Network Setup - Easily set up a security alarm system for home in minutes. Pre-connected wireless accessories make installation quick and easy, and start securing your home in minutes
Voice Control - Alexa and Google Assistant compatible home alarm system via APP. Away, Disarm and Home modes can be easily controlled by voice hands-free
Night light mode - You can set the night light in the APP, in a dark environment, the alarm base will emit blue LED light
Personalize your home security - Customize your wireless house alarm system in the APP, how your sensors protect your home, and choose your favorite accessory mode for your alarm
DIY Installation- A great fit for condos and apartments. No matter where you are, you can change the security mode and manage your devices on the APP. Feel free to add other components, such as door sensor, PIR, solar wireless sound and light siren , water sense, doorbell, smoke sense, etc.
Alarm base indicator light - When the sensor is triggered, the house alarms security system will emit a 120DB alarm sound. At the same time, the base will emit a red indicator light to indicate that there is an intruder

Ring Alarm Pack - L by Amazon | Smart home alarm security system with optional Assisted Monitoring - No long-term commitments | Works with Alexa

19% off

show more show less

9,5

Check price

Show on Amazon

Features

This Alarm Pack is ideal for 2-3 bedroom homes.
Get an advanced home alarm system for your house or flat with Ring Alarm Pack - L. This 10 piece pack includes a Base Station, Keypad, 4 Contact Sensors, 3 Motion Detectors and a Range Extender.
Compact and secure, Alarm Contact Sensors mount to door and window frames and alert you when they are open. The discreet Motion Detectors mount to room corners or flat walls and send you real-time notifications whenever motion is detected at home. Use the Ring app to control it all from one simple dashboard.
Ring Alarm is quick to install and easy to use. Simply follow the steps in the Ring app. Add additional Motion Detectors, Contact Sensors, or an Outdoor Siren to expand your whole-home protection to suit the size and layout of your home.
Subscribe to Ring Home (sold separately) and get Alarm Calls which automatically call your nominated contacts in the event of an emergency, Cellular Backup that keeps your Alarm system online if your internet goes down and much more
Arm and Disarm your Alarm security system in the Ring app or pair with compatible Alexa-enabled devices to take control using your voice. (Ring Home Subscription required, sold separately)

D1D9 Home GSM alarm system wireless scare burglar away for house security

D1D9

free shipping

show more show less

9,5

Check price

Show on Amazon

Features

SCARE BURGLAR AWAY When someone trigger this system that will be alarm to scare thief away and also will make a phone or sending a message to someone which you save the phone number on the main unit
BUILT-IN BATTERY This system work well when someone cut wires or power off. You don t worry other people intrude your house when power off
CELLPHONE FUNCTION This main unit can make the phones like a cellphone so this also is a spare mobile phone
EMERGENCY HELP You can press an alarm button on the remote control when some emergency thing happen, this system will go off right now and will make a phone

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 alarm systems.

X-Sense Smart Home Security Systems, Wireless alarm systems, Works with Alexa, Supports Mobile App Alerts, Includes 1 Base Station, 2 Door Alarms, 1 Motion Alarm, 1 Keypad, AS05

DIY Your Home Security System Customize your setup with door and window sensors, motion detectors, keypads, water leak sensors, and thermo-hygrometers; you can expand the system with up to 6 keypads and 44 additional devices for tailored, flexible protection

free shipping

Check price

PGST WiFi 4G Wireless Home Burglar Security Alarm System Kits, Tuya Smartlife APP, Amazon Alexa, with RFID cards, Siren, Window Door sensors, Motion Detector,Compatible with Alexa Google 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.

free shipping

Check price

Wireless Home Alarm System, GSM SMS Complete Burglar Alarm System with 120dB Alarm Siren, Intelligent Remote Control, LCD Display, Voice Invite, Security for Home, Office

WIFI and GSM Security System Working Mode The homekit home alarm supports two working modes. The first mode WIFI no SIM, no phone line, no monthly fee, no need to sign a contract with a security company, you can install it directly and have an alarm function on the spot. The second mode the alarm also supports the SIM card function and you can use your mobile phone to control it remotely

free shipping

Check price

Wolf Guard WiFi 4G Wireless Home Burglar Security Alarm System Kits W4Q-Black-W06, Tuya Smartlife APP, Amazon Alexa, with RFID cards, Solar Siren, Window Door sensors, Motion Detector

Wolf Guard Security Burglar Alarm kit with total control from the "Smart Life" APP with connection to the domestic WiFi network. Taking advantage of the home internet connection you can receive push notifications directly on your smartphone. With the application it is possible to fully manage the burglar alarm from anywhere in the world.

~~£ 239.89~~ free shipping

Check price

OSI Alarm System for Home Security (Gen 2)11 piece. DIY, Touch Screen, Motion Detection, Contact sensors, Wireless Siren, Remotes, Phone App, Compatible with Alexa, Continuous Updates,NO Monthly Fees

Scalability - Your security, your way Scale up easily with room for up to 160 sensors, 6 controllers, 6 doorbells and 6 keypads! Perfect for Houses, apartments and Small Businesses

free shipping

Check price

XNY 21-Piece-Kit Full Touch Screen Wireless Smart Home Alarm System, DIY 4G and WiFi Burglar Alarm System for Home Security with APP Alert, Motion Detector, Door Window Sensor, Remote Control, Siren

Easy to install No professional knowledge needed, you can install it in minutes. Just fix the alarm host on the wall(screws are included), plug in the Micro C data cable and power it on. Built in back-up battery for emergency use. Package includes 1* alarm host; 4* motion detectors; 8* door window sensor; 3* remote controls; 3* RFID card; 1* alarm siren and 1* sos button.

free shipping

Check price

8 piece Home Security Burglar Alarm System by ERA Protect - Next Generation Smart Wireless House Alarm - Google & Alexa Compatible - Smartphone Control - Easy Install (Alert)

SMART HOME SECURITY - The Protect home security system is set-up, controlled and operated from one easy to use smartphone app. The first wireless burglar alarm system to be awarded a BSI (British Standards Institute) IoT Kitemark, ensuring your data is safe with end-to-end encryption. Dual path technology allows the house alarms security system to work on both ethernet connection or the built-in SIM card, and makes sure you're always connected.

free shipping

Check price

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

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.

free shipping

Check price

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

Advanced TFT LCD Screen Display and Voice Prompt Tuya Standard alarm security system features a high-quality 2.4-inch TFT LCD screen display, which provides clear images and intuitive operation. Voice prompt guides users through each step, ensuring easy setup and use.

free shipping

Check price

Ring Alarm Pack - S + New Battery Video Doorbell + Indoor Camera | Home alarm security system + optional Assisted Monitoring - No long-term commitments | Works with Alexa

PLUG-IN INDOOR SECURITY A Security Camera that lets you add protection and peace of mind almost anywhere inside your home.

~~£ 369.97~~

Check price

ERA HomeGuard Pro - Home Security Burglar Alarm System - Smart Wireless House Alarm Google & Alexa Compatible - Smartphone Control - Pet Friendly Motion Sensors - Easy Install [8pc Small Home Kit]

The sensor is ideal for Entry Exit routes and the Remote Control Keyfob allows you to arm, part-arm and disarm the alarm system. You can also expand the kit at any time with additional accessories to include multiple PIR sensors, IP Camera's, water and vibration detectors.

free shipping

Check price

WIFI Alarm Home Security System, Wireless Burglar Alarm System with Loud 120dB Motion Sensor Siren, Window Door Alarms Door Sensor Remote Control for Shed Motorhome Garage

Super Loud Burglary Home Alarm The loudspeaker is very loud (120dB), enough to scare potential burglars and definitely loud enough to wake you up which can be used for any setup you want, such as garage entry, shed entry, prevent porch package theft, even protection for gas tank and catalytic converter. Also, if you live in an apartment ans have a garage, this could be a great deterrent for the garage whether you use it for storage or your car.

free shipping

Check price

The best alarm systems in comparison

Guaranteed independent and reliable

Features

Features

Features

Features

Features

Features

Features

Features

Features

Features

You might also be interested in these alarm systems.

Our offer