3 Year Battery Life 2 in 1 Independent Smart Co & Smoke Detector Carbon Monoxide Kitchen Shop Fire Sound Alarm Sensor
Parameter Specification
Power Supply DC 4.5V (AA battery x3 )
Standby Current < 20μA
Alarm Current < 60mA
Sensor Type Smoke: Photoelectric
CO: Electrochemical
Safety Standards EN14604-2005 & EN50291-1:2018
CO Sensitivity
30 ppm:No alarm within 120 min
50 ppm: Alarm in 60-90 min
100 ppm: Alarm in 10-40 min
300 ppm: Alarm in 0-3 min
Coverage Area 20-40 m²
Mounting Position Ceiling or wall
Operating Temperature -10°C to +55°C
Operating Humidity < 95% RH (non-condensing)
Alarm Sound Level ≥85 dB (at 3m, 3.2±0.3 kHz pulsed tone)
Silence Duration ~10 minutes
Dimensions Φ115 × 35 mm
Weight 195 g
