1. Advanced anti-interference tech, 256 digital code for setting, no interference with neighbours doorbells.
2. Up to 200m Wireless working distance in open area, 100m for indoor use.
3. High sensitive motion detection due to built-in microcomputer in sensor transmitter, adopts advanced digital and fuzzy logical control technology; digital temperature compensation, anti-irradiation and anti-RFI;
4. 35 melodious bell chimes with volume adjustable; moreover, you can set up different tunes to distinguish which sensors is alarming when use more than 1 sensors.
5. IP44 Waterproof alarm transmitter for outdoor installation; Sensor transmitter with installation brackets, convenient to adjust detect angles as need.
6. 3 working modes selectable:  1)Flash only.  White flashing indicator, perfect for quiet enviornment or Deaf or hard of hearing use. 2)sounds +flash   3)sounds +flash+night lighting
7. Easy installation,Powered by battery or DC 5V, very convenient and simple to use.
8. Support 1 or more Transmitters and Receivers works as one group.

Package include:

• 1X  Receiver
• 1x PIR transmitter (with bracket)
• 1x Push button transmitter