| Gas detection | O2 | 
| Measuring range | 0~30%VOL | 
| Resolution | 0.1 | 
| Accuracy | ≤±5%FS | 
| Response time (90%) | Less than 30 seconds | 
| Indication mode | LCD displays real-time data and system state, LED, sound, vibration indication alarm | 
| Storage Conditions | Temperature:-10~55℃; Humidity:<85%RH | 
| Operation Conditions | Temperature: - 20~50℃; Humidity:<95%RH non-condensing | 
| Working voltage | DC 3.7V (Lithium battery capacity 1800mAh) | 
| Battery Model | LP103450-1800mAh | 
| Charging time | 6~8h | 
| Standby time | More than 8h on end (slightly change with working state) | 
| Dimensions | 71*153*49mm | 
| Weight | 215.4g(with battery and back button) | 
 Malaysia
Malaysia