3.4*1.7*0.6 inch.
4 in 1 Multi-Function — General Alarm, Constant Alarm, Closing-door Alert (Time Delay), Doorbell. Batteried by 2pcs AAA batteries ( not included ).
Self-Adhesive, easy to install and operate.
108 dB Loud Alarm can effectively prevent intruder entering through your door/window.
4 In 1 Multi-Function:
General alarm mode It alarms when doors/windows are open; Stops when they are closed.
Constant Alarm Mode It alarms at least 30 seconds when triggered.
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.
Doorbell Mode:
It sounds “Dingdong” when doors/windows are open.
Package Including:
1 x Door/window Alarm;
1 x Magnetic Stripe Double Sided Sticker User Manual.