◎ Photoelectric infrared LED.
◎ Ceiling mounting.
◎ Not emit radioactive element.
◎ Send status signal every 15 seconds or 65 seconds.
◎ Auto send low power signal.
◎ Auto send resetting signal.
current: static 20Ua-40Ua,alarm 20mA
battery life time about 2 year
working environment indoor use , -5 to +50
low voltage indication: sound once in each 2 hours
self test indication: red LED turn on then buzzer sound
alarm output indication: red LED turn on 5 seconds then
working frequency 433,92 MHz
working range max. 100 m (open area)
radiation of sensor max. 4 kBq
built in siren 95dB/1m
LED jumper: short circuit ON,open circuit OFF