Wireless Door/window Sensor Home Alarm System

 

 

Door Sensor Alarm, Remote Control 300ft 120dB Wireless Door Contact Sensor Anti-Theft Door Alarms for Kids LOUDER ALERT

When the magnetic sensor is disconnected, the KERUI door and window alarm system

will issue a loud 120dB warning to prevent theft and unnecessary access, preventing your child from sneaking out.  

LONGER CONTROL RANG

This wireless door alarm kit comes with a wireless remote control for arming, disarming, SOS and doorbell options.

It makes it easier to remotely control door/window alarms up to 300 feet.   MULTI-FUCNTION ALARM SYSTEM  

You can select the doorbell mode to draw attention when people enter, as a commercial doorbell when entering.

With the SOS option, seniors can easily get help in an emergency. Good protection.  

EXTENSIBLE& LINKANGE ALARM

You expand your home security alarm system with more alerts or remote controls,

Infrared detector, door sensor, emergency button.   You can use with the following accessories. 【Note:These two accessories are not included in this package, you can buy them in other packages in our store.】   EASY INSTALLATION  

This anti-theft door and window alarm is easy to set up.

Simply install it with the double-sided tape provided. Take just a few minutes.      

BATTERY REMINDER

When the battery is very low, the alarm volume will decrease and the alarm time will be shortened,

reminding you to replace the battery .    

Technical Parameter

Model: KR-D121 Working voltage: 3.0V (powered by 2 AAA batteries) Standby current: <10uA. Working current: <80mA. Receiving frequency: 433MHz Alarm time: 60 seconds Alarm volume: 120DB Alarm output: open the door and alarm after arming, and trigger the detector to alarm after arming