The Streamlight ProTac Rail Mount HL-X Light and Laser is a powerful and versatile weapon light that features a 1000-lumen white LED and a red laser. It is powered by a single SL-B26 rechargeable battery or two CR123A batteries, and it has a runtime of up to 1.25 hours on high. The light is IPX7 water-resistant to 1 meter for 30 minutes and impact-resistant to 2 meters. It also features a dual fuel system that allows you to use either the included rechargeable battery or CR123A batteries.Features:Weapon mounted light with integrated red laser1000 lumens / 18,200 max candela / 270 beam distanceModes: High/strobe/low, High only, Low/High (strobe disabled)Duel fuel system works with (2) CR123A lithium batteries or (1) SL-B26 rechargeable batteryIPX7 water proof to 1 meter for thirty minutes and impact tested to 2 meters with standard button switchIPX4 water resistant with remote pressure switchDurable aluminum body with anodized finishSpecifications:Accessory Attachment: M1913 PicatinnyColor: BlackMaterial: AluminumModes: Constant, Momentary, Strobe, High, LowOutput: 1000Weight: 10.8 oz.