1. 30M waterproof(30M water pressure test) 2. 300 lumen 3. 2.8W Power 4. Adjustable 3 mode: HI-LOW-SOS - Battery HI mode work time is 90min, in LOW mode work time is 4 hours, and in SOS mode is 6 hours 5. Can be used together with head band or chest band 6. Power supply: AHDBT-301 battery / USB charging (The battery is not included)
