headlight body is made of high intensity engineering plastic ABS, with full-sealing construction,suitable for all kinds of bad working environment，light weight and small volume，it can reduce miner’ labour intensity，improve production efficiency.
Specification
| No | Parameter | Unit | Data | Remark | |
| 1 | Rated voltage | V | 3.7 | | |
| 2 | Rated capacity | mah | 4500 | | |
| 3 | working current | main light source： | mah | 300 | |
| Secondary light source | mah | 120 | | ||
| 4 | Charger | Input | | AC110-250V, | |
| Output | | DC5V 1000Ma | | ||
| 5 | Charging time： | h | <8 | （when it showed 4 grid and did not flash，it’s mean finished harging） | |
| 6 | Discharging time： | h | >18 | | |
| 7 | Illuminance | start lighting | Lux | 2500 | |
| 8 | After lighting 11h | Lux | 2000 | | |
| 9 | Anti-explosion sign： | | EXS I | | |
