This KERUI magnetic door window alarm sensor will emit a high volume alarm of 120dB when the door is suddenly open. It can prevent your kids from sneaking out. And it’s a perfect door alarm for kids’ safety, anti-theft, home, and business‘ security. This wireless door alarm kit comes with wireless remote control for arming, disarming, SOS, and doorbell options. It makes it easier to remotely control door/window alarms up to 300 feet. When the contact and magnet were separated; the LED will light for 1 second, and it will be alarming immediately.
Technical Parameters Model No.: D2
Working Voltage: 3.0V
Alarm Output: Alarm after arm the sensor