KERUI 433MHz Wireless Door/Window Magnetic Sensor For GSM Home Security Alarm Systems

KERUI 433MHz Wireless Door/Window Magnetic Sensor For GSM Home Security Alarm Systems

Q: We bought two extra door sensors to add to existing system but can’t get them to connect to the base. Any ideas ?

Dear friend, Please unplug/plug the siren for 3 times. you will 3 beeps. please trigger the two door sensors very quikly by seperate the door sensor from magnet stip. If any other problem,please feel free to contact us via Amazon message or after-sale email fuers.csc01@outlook.com

Q: What plastic is it made of?

Hey there, The D022 door/window sensor is made of ABS plastic, and we have added that information to the item listing, please have a check. Fuers Support

Product ID: 57363127

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Details

Brand
KERUI
Colour
White
Power source
Battery
Compatible devices
Smartphone
Connectivity technology
Wireless

📏250ft wireless range

📡433MHz RF frequency

🔋Low battery LED alert

Frequently Bought Together

KERUI 433MHz Wireless Door/Window Magnetic Sensor For GSM Home Security Alarm Systems

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Description

🚪🔒 Lock in peace of mind with instant alerts—because your home deserves the best.

SMART BATTERY MONITORING - Red LED warns you before power runs out—never get caught unprotected.
EFFORTLESS DIY INSTALLATION - Self-adhesive mount with included double-sided tape—no tools, no hassle.
INSTANT OPEN CLOSE DETECTION - Triggers alarm the moment your door or window moves beyond 1cm gap.
SEAMLESS 433 M HZ CONNECTIVITY - Reliable wireless alerts up to 250 feet—stay connected without wires.
UNIVERSAL KERUI COMPATIBILITY - Works flawlessly with all KERUI alarm systems for a cohesive security setup.

The KERUI 433MHz Wireless Door/Window Magnetic Sensor is a compact, battery-powered security device designed to detect door or window openings with a precise 1cm trigger gap. Operating on a robust 433MHz frequency, it wirelessly communicates up to 250 feet to compatible KERUI alarm systems. Featuring easy self-adhesive installation, low battery LED alerts, and a quick response time under 1 second, it ensures reliable, real-time protection for your home or business.

Specifications

Manufacturer	KERUI
Package Dimensions	12.5 x 10.7 x 2.5 cm; 50 g
Batteries	1 12V batteries required. (included)
Size	D022 Door/window Sensor
Colour	White
Style	Door/Window Magnetic Sensor
Power Source	Battery Powered
Voltage	12 Volts
Installation method	Self-Adhesive
Sound level	140 dB
Plug profile	Door Mount
Included Components	Battery
Batteries included?	Yes
Batteries Required?	Yes
Battery Cell Type	Alkaline
Battery description	battery_type_12v
Item Weight	50 g

Have a Question? See What Others Asked

We bought two extra door sensors to add to existing system but can’t get them to connect to the base. Any ideas ?

What plastic is it made of?

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