◆ Wireless transmission featuring new technology and farther distance
◆ Combination of micro-power consumption chip and advanced power-saving technology , extending working life of battery
◆ Automatic temperature compensation and superior resistance to false alarm
◆ Sensitivity adjustable
◆ SMD technique with excellent resistance to interference of EMI and RFI
◆ Alarm indicator with optional ON/OFF
◆ Low voltage detection and alert

Work voltage	DC 3V (4 AAA 1.5V batteries)	Current consumption	≤80uA on standby , ≤10mA in alarming
External power(optional)	DC 9V	Detecting space	12m/120 degrees
Installation height	2m~2.5m	Installation elevation	Wall-hangling
Ambient Temperature	-10℃~50℃	Alarm output	Wireless output
Sending distance	≤500m (at open area)	Sending frequency	315m(433m optional)