1. Press the middle switch key to open the strong light gear, and then press the gear adjustment (strong weak explosion flash off) to cycle the gear shift.
2. The red indicator is always on when charging and the green indicator is always on when full.
3. Enlarge and deepen the light cup, with long irradiation distance and wide range.
4. Diversified charging, easy to use; With USB charging interface, you can use charger, charging treasure, computer and other equipment to charge lamps.
5. Equipped with independent straps, hands free and easy to use.
