DIGOO DG-HOSA 433MHz Burglar Alarm Sensor, Wireless Windows Doors Sensor and Infrared PIR Motion Detector, Work with Any 433MHz Home Security Alarm System for Home and Business(2 Pack)
【433MHz Compatible】These wireless windows doors sensor and infrared PIR detector can work with any 433MHz home and business security alarm system , not just digoo HOSA security alarm system. Power by 2x AAA Battery(Already includes for your convenient using), it will flash with red light when it is out of power.
【How does window/door sensor work】 Fix the windowdoor sensor to the door(2 side), and make sure when the door or window are closed, they can be leaned together. If the doors or windows are opened,the 2 parts of the door sensor are separately, then it will send singal to the main unit( alarm system) to trigger the alarm and then send alert to your phone!
【How does PIR sensor work】With 120°wide detection angel and up to 12m detection distance, It has high sensitivity and anti HF interference function, can effectively trigger the alarm, not miss any theif. Meanwhile, with temperature compensation,no error will be issued,effectively avoid the false alarm. Tips: recommend installtion height is 1.8m-2.2m.
【Not easy to fall off】Compared with the general sensors on the market, DIGOO Infrared PIR Detector and the Window/Doors Sensor both are using 3M double-sided adhesive, strengthen the viscosity to prevent to fall off easily.
【More Guarantee for you】Replacement or Refund Warranty: If you have any issues in using this product, just contact us! Wolifui US Based Customer Service (Email) 5 Days a Week (Business Days).