Door Sensor Alarm, Remote Control 300ft 120dB Louder Alert Wireless Door Contact Sensor Anti-Theft Door Alarms
 
 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-- If you choose the kit comes with the remote control for arming, disarming, SOS and doorbell options. It makes it easier to remotely control door/window alarms up to 300 feet

Multi-function 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, smoke detector, gas detector, emergency button.

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  
Package Include: 
 1 x D121 Door Alarm Sensor
 2x Remote Control 
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