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 max transmission 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

🔐 Stay one step ahead—secure smarter, not harder!

EXTENDED 250 FT SIGNAL RANGE - Keep your security tight even across large homes or offices.
SMART LOW BATTERY INDICATOR - Never get caught off guard—LED warns you before power runs out.
UNIVERSAL KERUI COMPATIBILITY - Plug & play with all KERUI alarm systems for a cohesive security setup.
EFFORTLESS SELF ADHESIVE INSTALLATION - Stick it on and secure your space in minutes, no tools required.
SEAMLESS 433 M HZ WIRELESS CONNECTIVITY - Instant alerts with ultra-reliable radio frequency communication.

The KERUI D022 Wireless Door/Window Magnetic Sensor operates on a robust 433MHz frequency, delivering instant open/close alerts up to 250 feet away. Designed for easy self-adhesive installation, it pairs seamlessly with all KERUI alarm systems. Featuring a low battery LED indicator and powered by an included 12V battery, this sensor ensures reliable, maintenance-friendly home or business security.

Specifications

Manufacturer	KERUI
Package Dimensions	12.5 x 10.7 x 2.5 cm; 50 g
Batteries	1 12V batteries required. (included)
Item model number	D022
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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