1. MCU processing adopted
2. Automatically identify valve control
3.Wireless transmitting digital signal
4. Low power indication
5. Automatic temperature compensation
6. SMT adopted, anti-RFI & anti-EMI
7.Low power consumption, long battery life
8. Adjustable detecting distance
9. Pulse count optional

Note: the item must work with alarm system, it can not work independent.

• Operating voltage: 1*9V (6F22 battery)
• Standby current: less than 12uA
• Alarm current: less than 15mA
• Operating temp.: -10 to +50 degrees
• Installation mode: wall mounted
• Installation height: about 2m
• Detecting distance: 9-18m
• Detecting angle:110 degrees