NCS1257 Features: * 65 Lumens peak output * Momentary and constant on/off cap switch Includes: * Includes weaver style ring mount * Uses 2 CR123A lithium type batteries (included) Construction: * Aluminum construction Color/Finish: * Color: Black Specifications: * 3 Watt ultra-bright LED Dimensions: * Dimensions: 1.33"" H x 1.07"" W x 3.32"" D