1. visual and audible alarm function
2. LEDs and numeric display indicate instant gas leak thickness
3. 3 indications: POWER, STATE, ALARM

1. detectable gases: LPG, natural gas and coal gas
2. power supply: 100VAC - 240VAC ~ 50/60Hz
3. power consumption: < 4W
4. alarm level:
   1. LPG: 0.1% - 0.5%
   2. natural gas: 0.1% - 0.3%
   3. coal gas: 0.1% - 0.5%
5. alarm volume: > 85dB
6. temperature range: -10°C ~ 50°C
7. relative humidity: < 97% RH
8. storage temperature: -25°C ~ 55°C
9. dimensions: 67 x 67 x 112mm
10. weight: 122g

haa79ngbnlfresdit.pdf