1. High grade aluminum alloy surface hard anode oxidation treatment.
2. High lumens output low heat and environmentally friendly.
3. MCU/magnetic switch sliding MCU switch can adjust brightness 0% to 100%.
4. Constant current output powered by a 3.7V 18650 battery (not included)
5. 1 x CREE XM-L2 LED bead brightness up to 1000 lumens.
6. It can be used for 1 hour at 100% brightness 3 hours at 50% brightness and 4 hours at 10% brightness.
7. Suitable for underwater snorkeling spearfishing lobster hunting underwater photography.
8. Size: 45x30x155mm.
9. Diving depth: Up to 50m.