| Sensors principle | Electrochemistry |
| Detect gas | H2S |
| Sampling method | diffusion |
| Range | 0~100ppm |
| Humidity | <95%RH |
| service life | 2 to 3 years (determined by Sensors) |
| Protection level | IP65 |
| alarm point | High and low alarm point |
| Response time | T90<60s |
| Resolution | 1PPM |
| operating temperature | -20~50℃ |
| display error | ≤±5%F.S |
| Operating Time | ≥100h |
| Weight | 150g |
| Dimensions | 110*70*30mm |
| display content | Time + electricity + gas name + gas concentration value |
| Display | OLED LCD screen |
Warranty days: 365 days