Features : - Waterproofing design.
- Aluminum alloy casing.
- Aluminum alloy reflector.
- Modes operated by PUSH button.
- Output bright can come to max 3000 lumens.
- 4 Switch modes, weak, normal, strong, blinking (long press).
- Internal wiring applies the high efficient booster circuit, working voltage is wide and can utilize the batteries in the largest extent.