2X Door Opening Sensor Wireless Time Delay Door Alarm Door Sensor Door And Window Security Alarm Home Security

2X Door Opening Sensor Wireless Time Delay Door Alarm Door Sensor Door And Window Security Alarm Home Security 1005006244149699 Pre-Order +/- Sampai Alamat 10-15 Hari FREE ONGKIR+PAJAK Garansi uang kembali jika Rusak, Beda Produk Origin : Mainland China 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/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 #34;di-di-di #34; 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: 2 x Door/window Alarm 2 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. 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/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 #34;d