1. Use T6 LED light brightness max 800lm life of 100 000 hours
2. Internal wiring applies the high efficient booster circuit working voltage is wide and can utilize the batteries in the largest extent
3. Diving depth: 50m
4. Water and scratch resistance glass lens
5. High quality durable Aluminum alloy casing and reflector
6. Battery: 1 x 18650 battery (not included)