Smoke carbon monoxide composite fire detector

Brand Model: Leadron CS803
Detection gas: carbon monoxide + smoke
Power supply: 3V (2*1.5VAA battery)
Power consumption: ≤3W
Sensor: Imported core source sensor
Alarm concentration: 30PPM^ 999PPM
Working humidity: ≤95%RH
Working temperature: 0°C' ~55"C
Alarm sound: 85dB
Alarm method: on-site alarm
Appearance size: 100MM*38MM