Three brightness levels. High:720lm,2hourruntime. Medium:360lm,4.5hourruntime. Low:180lm,10hourruntime. Four LED battery-life/charge status indicators. LiPo battery recharges via USB charging port(included). High strength rare-earth magnet with a protective covering built into handle. IP-64: dustproof and water resistant to rain. 3.5x2.5x1in(without handle),7oz .