The model KERUI Door Sensor is a standalone sensor alarm. It means that it can be arming directly, once it was triggered.
The amazing design can be a part of your house. No need alarm system, you can stop the dangerous from the door/window.
*The independent door sensor can work alone, once triggered, it will send out 120db warning to scare away the thief.
*Simply attach one piece to your door,window or cabinet door, and attach the other piece to the door or window frame.
*Ideal intrusion warning for homes, apartments, dorms, offices, hotel rooms, warehouse, garages, shops, counter, Internet bar, etc.
*Excellent design, tiny and fashion. Easily install with adhesive tape.
*With ON/OFF switch. Low-consumption design, more power-saving.
Installation: magnetic control
Two status: open and close
Action Distance: ≤10mm
Battery: 3* 1.5V LR44 Button Battery(included)
Working Voltage: 4.5V
Standby Current: ≤10mA
Working Current: ≤70mA
Alarm Sound: up to 120dB
Material: ABS, common white
Operating environment: -10℃-60℃ (14℉-122℉)
Humidity Range: ≤90% RH (No freezing)
Size: Main body (D*W*H): 86*34*18mm
Deputy body (D*W*H): 46*13*18mm
Package Size: Approx. 9 * 5 * 2.2cm / 3.5 * 2 * 0.87in
Package Weight: Approx. 48g/1.7oz
1 * Door Sensor
1 * Set of Adhesive Tape