1. Gas type: natural gas, liquefied gas, odorated flammable gases, etc.
2. Sensor type: planar semiconductor
3. Warm-up time: less than 25s
4. Alarm frequency: 2.713KHz/100ms
5. Alarm way: sound and light alert
6. Ambient temperature: 0-50 Celsius degree
7. Environment humidity: less than 90%RH
8. Power by 2 x AA battery(not included)
9. Size: 230 x 30 x 30mm
