The INOVA T10R is the most versatile high performance rechargeable LED flashlight and power bank on the market. At 3500 Lumens, with the ability to project a beam over a quarter mile (1677 feet), and it has unheard of run times. The T10R is a precision high-performance pioneer in the flashlight industry. Its rechargeable lithium ion battery makes it a powerhouse, and it also includes a power bank USB adapter that boasts an impressive 14,000 mAh capacity allowing the ability to easily charge other devices like your phone, tablet, camera, or speakers multiple times over. Its input/output port is protected under a water-resistant seal – simply twist the head to expose, and twist back once the flashlight is charged to re-seal. The T10R has a 7-function mid-body switch that activates high, low, SOS, strobe, variable dim, and momentary high and strobe modes. The aerospace grade aluminum body is machined from solid tubular stock, is anodized with military-spec type III hard coat finish, and has an aggressive knurling pattern to withstand the rigors of field work and extreme conditions. This robust flashlight has a high quality feel in your hand and yet is surprisingly light, weighing in at just under two pounds.