Power supply: Lithium battery or 5v DC
Gas: CO2, O2
Measurement range: CO2: 0-10000ppm
O2: 0-100%
Response time T90: CO2 ≤ 20 seconds
O2 ≤ 60 seconds
Temperature accuracy: ±0.2℃
Relative humidity: ±1.5%RH
Working temperature: 0℃ - 50℃
IP grade: IP40
Weight: 495g