Product information Technical Details Color Silver Power Source Battery Powered Light Source Type LED Material Aluminum White Brightness 180 Lumens Included Components FLASHLIGHT Product Dimensions 0.64"D x 2.02"W x 0.64"H Battery Cell Composition Lithium Ion Item Weight 0.04 Kilograms Number of Batteries 1 Lithium Ion batteries required. (included) Water Resistance Level Not Water Resistant Brand OLIGHT Brightness 180 lumen Battery Description Lithium-Ion Style Standard Manufacturer OLIGHT Light Output Maximum 180 Lumens Part Number I1R2PRO-FLOW-300000 Item Weight 1.44 ounces Item model number I1R2PRO-FLOW-300000 Batteries 1 Lithium Ion batteries required. (included) Item Package Quantity 1 Shape Keychain-style Number of Lights 1 Batteries Included? Yes Batteries Required? Yes Beam angle 10 Degrees