ขาย NT KERUI Wireless Magnetic Door Sensor Independent Alarm Door Window Open Warning Intrusion Detector For Home Security A ราคาที่ดีที่สุด

KERUI Wireless Magnetic Door Sensor Independent Alarm Door Window Open Warning Intrusion Detector For Home Security Alarm SystemOverview: 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. Features:  *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. Specifications: 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  Package List: 1 * Door Sensor 1 * Set of Adhesive Tape