Main feature:
. Wireless transmitting digital signal
. Low power indication
. Automatic temperature compensation
. SMT adopted, anti-RFI & anti-EMI
. Low power consumption, long battery life
. Adjustable detecting distance

Technology parameter:
Operating voltage: 2*1.5V (2*AA 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
Transmitting Freq.: 315MHz or 433MHz
Sending distance: More than 200m( in the open area)