... current):≤15mAl (smoke sensitivity);2.06%/ftl (operating temperature): 57°C +/-2.7°Cl (sound level):≥85dB(3M,a)l (working ... temperature):-10°C~ +60°Cl (working humidity):≤95%RHl (outline size):φ128( ... products are Home PSTN/GSM Security Alarm System, 3G Alarm System, GSM Power Alarm, Video Monitoring system, Wireless Remote controller, RF Transmitter/Receiver ...