Smart Home Composite Detector

Brand Name :SUMRING/OEM
Model Number :SR-823THS
Usage :Home Security System
Detection Gas :Smoke, Carbon Monoxide
Alarm Mode :90dB High-Pitched, Sound And Light Alarm
Power Supply :3* 1.5Vaa Battery
Service Life :3/5 Years
Working Humidity :≤95% RH
Operating Temperature :0-50°C
Product Size :96*96*41MM