Door Opening Sensor Wireless Time Delay Door Alarm Door Sensor Door

Door Opening Sensor Wireless Time Delay Door Alarm Door Sensor Door Description

1. 4 in 1 Multi-Function --- General Alarm, Constant Alarm, Closing-door Alert (Time Delay), Doorbell
2. Batteried by 2pcs AAA batteries ( not included ).
3. Self-Adhesive, easy to install and operate.
4. 108 dB Loud Alarm can effectively prevent intruder entering through your door/window.

4 in 1 Multi-Function:
1.General alarm mode It alarms when doors/ are open; Stops when they are closed.
2. Constant Alarm Mode It alarms at least when triggered.
3. Time Delay Mode It sounds "di-di-di" when doors/ opened 15 seconds later (Can set the delay time 3/15/30/60 seconds, the factory default is 15s). This is perfect for freezers or refrigerators.
Material: ABS
colour: White

Package Contents:
4 x Door/window Alarm
4 x Magnetic Stripe Double Sided Sticker User Manual

Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.