Red LED Flash Smoke Alarm Fire Detector 1.Usage: Office ,Home ,hotel 2.SMT ... Auto-reset 3.CE certification Red LED Flash Smoke Alarm Fire Detector1.Usage: Office ,Home ,hotel 2.SMT design ... , Auto-reset 3.CE certificationFeatures: 1.New and high quality 2.Easy to install with mounting hardware ... 20-5-mA, static current < 10 uA 8. Operating temperature:-10 to 50 9. Gas interface humidity: 10% - ...