The new light uses a C4 LED to deliver 1,100 lumens, and 36,000 candela over a beam distance of 379 meters on the high setting. On low, the light offers 35 lumens, 1,200 candela and a beam distance of 69 meters. The light also offers a strobe mode.

The ProTac HL 3 flashlight, powered by three (3) 3-volt CR123A batteries, features a multi-function, push-button tail switch that permits one-handed operation. The light’s TEN-TAP programmable switch allows users to select from high/strobe/low (the factory default); high only; or low/high. Its run time both on high and in strobe mode is 1.5 hours, while the run time for the low setting is 36 hours.

SPECIFICATIONS:
* Multi-function, push-button tail switch for one-handed operation
* Optimized electronics provides thermal management and regulated intensity
* Solid State power regulation provides maximum light output throughout battery life
* Durable anodized machined aircraft aluminum construction
* Anti-roll head prevents the light from rolling away when you set it down
* Removable pocket clip
* O-ring sealed glass lens

See more at: http://www.streamlight.com/en-us.