This is the Streamlight TLR-1 HP-X USB weapon light. 

Choosing a weapon light has never been so easy. The Streamlight TLR-1 HP-X is designed with rugged components and has all the features to provide a high-quality experience from installation to illumination.

This light offers 77,000 candela and 1,300 lumens from its SL-B9 rechargeable battery packs, or 53,000 candela and 1,000 lumens from CR123A lithium batteries. Furthermore, the hinged battery cap facilitates convenient front-loaded changes without ever needing to remove the light from your firearm.

The polycarbonate lens is shatterproof and gasket-sealed, so no matter what you throw at it, your weapon light should remain functional. With included customizable rear paddle switches and a programmable strobe mode, there is nothing left to wish for! 

Choose quality, and get one of these weapon lights before they’re gone!