Garage door alarm systems in comparison

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

PLUG&PLAY,SUPER EASY TO INSTALL Power on the motion sensor by 3pcs AA 1.5V Alkaline batteries(the package does not include the batteries) and plug the receiver into the outlet,here we go. The unit has been programmed before shipped, place the sensors to walls, fence posts, trees, or any other surface,the installation time can be as little as a few minutes.

Safe and Secure This window alarm can instantly detect any movement in your door or window. Now you can keep intruders out with our 100dB, super-powered alarm system. It uses a magnetic sensor that is extremely reliable in any condition. Plus, you can set a chime sound to let you know whenever a window or door has been opened

PACKAGE 1 Siren,1 Motion Detector,2 Key fob Remotes and 2 Door Sensor,1 DC 12V 500mA adaptor,1 User Manual, 1 Quick installation instructions and answers to common questions

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

Multi-scene Application The motion sensor alarm system can be applied to multiple scenarios, Front Porch, Shed, Garage, Garden, Shop, Driveway. The pir sensor will work properly at all the seasons

Window Door Safeguard Monitor the opening and closing of windows, doors, cabinets, the fridge, or the mailbox in real time; perfect as a window alarm ; door alarm ; shed

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.

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.

START YOUR SMART LIFESTYLE - Do you want the house lights auto turn on once you come in the front door? Just Integrate the sensor with your smart lights! Create smart scene on Smart Life APP, you light can be automatically light on when you open the door. Note Require your smart light can be added to Smart Life APP.

Adjustable Volume door alarm with up to 120dB sound. Choose from 5 volume levels 0-120dB to stay aware of loved ones leaving home and deter potential intruders effectively. Perfect for keeping your kid's or elderly safe.comes with a 90-day free return and a 365-day exchange service

How it works - Koostone Wireless Door Chime comes with 2 door window sensors and 1 receiver, and each sensor can set a separate sound with the receiver, that means you can know the front door or the back door or the mailbox opens without needing to go to see it. The sensors will detect the door window, and will be triggered to send out a signal when the door window opening. Receiver will receive the signal and alerts. It can be used as door chimes when door opens for business.