High output shouldn't come at the cost of run time, and the Streamlight ProTac 2.0 Rail Mount delivers 2,000 lumens without cutting battery life short. Mounts directly to any gun with a MIL-STD-1913 (Picatinny) rail, so it's ready to go to work on your platform. Powered by the SL-B50 rechargeable battery pack, which charges via USB-C either on or off the weapon, there's no need to pull the light every time it needs a charge. 6000-series machined aircraft aluminum with a Type II MIL-Spec anodized finish keeps it standing up to hard use in the field. Features TEN-TAP Programming: Choice of three user-selectable programs — High/Strobe, High Only, or Low/High. USB-C Rechargeable: SL-B50 battery pack charges in or out of the light, no need to remove it from the weapon. IP67-Rated: Dust-tight and waterproof to 1 metre for 30 minutes, with 2-metre impact resistance tested. Picatinny Rail Mount: Attaches directly to guns with MIL-STD-1913 rails. Light-Only or System Options: System version adds a remote pressure switch, retaining clips, and an M-LOK mount. SpecificationsLumens (High): 2,000Run Time (High): 2.5 hoursBattery: SL-B50 rechargeable pack (included)Length: 6.3 in (16.0 cm)Weight: 9.06 oz (257 g) with battery Serious output, rail-ready, and built to run all shift — the Streamlight ProTac 2.0 Rail Mount is ready for your platform.