Features: 📌 2000 Lumens High Brightness, 380 Radiation Stages 📌 5000 mAh Rechargeable Battery, Type-C Charger Port, Maximum 140 hours battery life 📌 5 modes of super light / high / medium / low / SOS hour 3/5/15/140 Multi-function switch. Control with one button. 4 blue lights for clear control of energy status anytime. 📌 IPX7 Waterproof underwater 1 m and 1 m Anti-falling Actual battery life may vary according to different usage environment.