SPECIFICATION
| POWER SUPPLYDC3V(2*AA Batteries) |
| SENSOR TYPEElectrochemical |
| SOUND LEVEL≥85dB (at 3m) |
| ALARM CONCENTRATION30 ppm without alarm before 120 min |
| ALARM CONCENTRATION50 ppm without alarm before 60 min, with alarm before 90 min |
| ALARM CONCENTRATION100 ppm without alarm before 10 min, with alarm before 40 min |
| ALARM CONCENTRATION300 ppm with alarm before 3 min |
| ALARM OUTPUTAudio and flash alarm |
| POWER SUPPLY MODE5 years Battery |
