Door Opening Sensor Wireless Time Delay Door Alarm Door Sensor Door and Window Security Alarm Home Security

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/windows are open; Stops when they are closed.

2. Constant Alarm Mode It alarms at least 30 seconds when triggered.

3. Time Delay Mode It sounds "di-di-di" when doors/windows 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:

1 x Door/window Alarm

1 x Magnetic Stripe Double Sided Sticker User Manual

Only the above package content, other products are not included.