Combo Detector 2 in 1 Standalone Combined Smoke and Heat Detector Fire Alarm Smoke Detector

Product Name: Combo Detector 2 in 1 Standalone Combined Smoke and Heat Detector Fire Alarm Smoke Detector Model NO.: SR-820DHS Combustible Gas Detector Model: None Infrared Sensor Installation: Ceiling Infrared Sensor Probe Type: Optical Smoke Detector Types of Smoke Detectors: Photoelectric Smoke Style Anti-Theft Alarm System Distance: Fire Alarm Anti-Theft Alarm System-Wide: Fire Alarm Anti-Theft Alarm System Type: Smoke Alarms Anti-theft Alarm System Approach: Passive Type: Smoke Detectors Color: White Certificate: Ce Approval Type for System: Standalone Name: Combo Detector 2 in 1 Standalone Combined Smoke an Dimension: 124mm(Dia)*40mm(HS) Horn Output: 85dB at