Product Name: Fire Alarm White Wired Smoke Detector AC220V DC9V Model NO.: TSS890A-HI Infrared Sensor Installation: Ceiling Infrared Sensor Probe Type: Inclination Sensor Types of Smoke Detectors: Photoelectric Smoke Style Anti-Theft Alarm System Distance: Common Detectors Anti-Theft Alarm System-Wide: Wire Alarm Detectors Anti-Theft Alarm System Type: Smoke Alarms Anti-theft Alarm System Approach: Active Type: Smoke Detectors Power Source: AC220V-AC240V, DC 9V Battery Backup Operation Current: <=100mA Alarm Sensitivity: 0.09-0.15dB/M Comply with Standard: En 14604:2005/AC:2008 Alarm Volume: >85dB(a) @ 3 Meters Low Voltage Threshold: <=7.5V Hush Time: 10minutes Product Service Life: >10 Years Humidity Range: < 95% Relative Humidity (Rh) Temperature Range: -10c to 50c Size: 140mm in Diameter X 44mm Depth Trademark: JBE Transport Package: Carton Specification: Size: 100.8mm in diameter x 36.7mm depth Origin: Zhejiang, China Product Description Fire Alarm White wired Smoke Detector AC220V DC9VPower SourceAC220V-AC240V,DC 9V battery backupOperation Current<=100mAAlarm Sensitivity0.09-0.15dB/mComply with standardEN 14604:2005/AC:2008Alarm Volume>85dB(A) @ 3 metersProduct service life>10 yearsSize140mm in diameter x 44mm depth