1000 lumens White light output,Powered by: 1 x 3.7V battery (battery not included) Body of this flashlight is built of high quality aluminum alloy,and it has a very solid construction Outdoor activities.(for climbing,camping,seeking survival,walking, fishing as well as hunting, etc.) Two switch mode:remote pressure switch/ 1 mode Tactical Tail Switch (on/off), Throw distance: Approximately 100 meters (110 yards) Designed to mount on certain hand pistols, rifles and shotguns with proper mounting equipment. specifications: Material: 6061T Aluminium Bulb: XM-L LED, Max output 1000 Lumens Light Color: White Lighting Distance: 200-500 m Modes: 1 Current: 1.5A Operate Voltage: 3.7-18V Batteries:1 x rechargeable Li-Ion battery (not include) Body Color: Black Dual Switches: Switch 1: Tail-cap switch On/Off Switch 2: Light momentary on switch by Pressure Pad Size(mm): 133(Length)x30(Head Diameter)24(Body Diameter) Rail Mount features: 45 degree angle design for attachment of lasers, flashlights, R/G dot sights, scope QD thumb Nut, quickly mounted and released. Mounts to any Picatinny or Weaver Style Rail. Easy to Use with QDThumb Nut, quickly mounted and released. Color: Matte Black Finish Material: Alloy Metal Size: 30mm(W) X 72mm(L) Ring Width: 25.4mm Rail Width: 20mm Package Included: 1 x xm-l led 1000 lm Tactical Flashlight 1 x Tactical Pressure switch 1 x Rail Mount  Dear customer, Thank you for choosing our products. If there is any problem with our products, please contact us through the order information. We will be happy to serve you and solve it for you as soon as possible within 12 hours, thank you Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.