The Streamlight ProTac HL4, a high lumen (HL) flashlight that delivers 2,200 lumens of white light, also permits a choice of either 3V CR123A Lithium or Streamlight 18650 rechargeable Li-ion batteries. Designed for illuminating an entire area, this model uses the latest in power LED technology. The light’s TEN-TAP programmable switch allows users to select from high/strobe/low, high only or low/medium/high. The run time for the light’s strobe is up to 3.5 hours, depending on the battery used. The ProTac HL 4 is fabricated from 6000 series machined aircraft aluminum with an anodized finish, is 8.63" long, offers an IPX7 rated design for waterproof operation and is impact resistance-tested to one meter. This light is available in black and includes Streamlight’s limited lifetime warranty.