Specifications Certifications Certifications ULC 268 UL Listed Yes Controls/Indicators Status Indicators Yes Environmental Conditions Operating Relative Humidity (H-H) 5-93% General Information ADI Part Number BK-2012JA Application/Usage Apartment Buildings, Homes, Nursing homes Brand Name System Sensor Country of Origin CN Manufacturer Honeywell International, Inc Manufacturer Part Number 2012JA Product Model 2012JA Product Name 2012JA Smoke Detector Product Type Smoke Detector Miscellaneous Additional Information 85dB electronic hornBuilt-in test/silence switchInter-connectible up to 12 unitsVisual alarm and power indicatorBuilt-in 8 second delay on relay activationForm C relay contact for securit Physical Characteristics Color White Form Factor Ceiling Mount Power Description Input Voltage 30V DC Product Information Mount Type Ceiling Mount Technical Information Connectivity Technology Wired Detectable Medium Fire Sensing Technology Photoelectric Sensor Type Photoelectric