Product Name: Jbe Home Smoke Detector Fire Alarm Security Model NO.: TSS912A Infrared Sensor Installation: Ceiling Types of Smoke Detectors: Photoelectric Smoke Style Anti-Theft Alarm System Type: Smoke Alarms Anti-theft Alarm System Approach: Active Type: Smoke Detectors Power Source: DC 9V External Battery Quiescent Current: <=8ua Alarm Sensitivity: 0.09-0.15dB/M Comply with Standard: En 14604:2005/AC:2008 Alarm Current: <=16mA 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: 100.8mm in Diameter X 36.7mm Depth Trademark: JBE Specification: White Origin: Zhejiang, China Product Description JBE Home Smoke Detector Fire Alarm SecurityPower SourceDC 9V External batteryQuiescent Current<=8uAAlarm Sensitivity0.09-0.15dB/mComply with standardEN 14604:2005/AC:2008Alarm Current<=16mAAlarm Volume>85dB(A) @ 3 metersLow Voltage Threshold<=7.5VHush time10minutesProduct service life>10 yearsSize100.8mm in diameter x 36.7mm depth