| Specification | GL-T666(A) | GL-T666(B) |
|---|---|---|
| Light source | One main light | One main light |
| Battery Capacity | 6400mAh Li-ion battery 18650 | 3200mAh Li-ion battery 18650 |
| Rated Voltage | 3.7V | 3.7V |
| Strong light current | 760mA | 760mA |
| Weak light current | 260mA | 260mA |
| LED Power | 5W | 3W |
| Brightness for 1 meter | 10000 Lux - 16000 Lux | 5000 Lux - 8000 Lux |
| Life span of main light | 100000H | 100000H |
| Battery cycles | 800 cycles | 800 cycles |
| Charging V/A | 5V / 1.5A | 5V / 1.5A |
| Working time | 15H - 10H | 15H - 10H |
| Weight | 360g | 250g |
| Water-proof grade | IP68 | IP68 |