1. Display: 34x31mm
2. Measuring range: 0 to 9999 PPM
3. Display mode: analog bar indication
4. Sensitivity: 50PPM methane
5. Sensor: semiconductor sensor
6. Detection gas: acetone, acetylene, alcohol, ammonia, benzene, butane, ethanol, ethylene oxide, gasoline, hexane, hydrogen, methane, naphtha, natural gas, paint thinner, propane, solvent, etc.
7. Automatic shutdown: 15 minutes without operation
8. Operating environment: -10 to 50 degrees Celsius, no more than 80% relative humidity, indoor altitude less than 2000m
9. Storage environment: -10 to 60 degrees Celsius, no more than 80% relative humidity
10. Power supply: 2 x 1.5V AAA batteries (not included)
11. Dimensions: 167x59x29mm
12. Net weight: about 98g