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
Standby current: <10uA.
Receiving frequency: 433MHz
Alarm volume: 120DB Alarm
Output: open the door and alarm after arming, and trigger the detector to alarm after arming