Features
Working voltage DC 9V
Static current   ≤20uA
Emission current  ≤25mA
Detecting distance 12m(wide angle)
Emission distance 120m(in open air)
Detecting angle 110°

Specifications
MCU control
Low power alarm
Automatic temperature compensation technology
SMT design, anti-RFI & anti-EMI
Lowest consumption, Long service time of battery
Wireless frequency: 315MHz, 433MHz, 868MHZ
Elegant appearance.