The S Mini Cu Rose is the smallest CR123A battery compatible flashlight ever produced by Olight. The limited edition premium material used is Rose Gold Copper. Powered by one CR123A battery, the S Mini has four levels of brightness plus a strobe mode and covers a range from 0.5 to 550 lumens. Compared to the original S1 Baton, the S mini has a 10% shorter length and a 10% increased maximum output to 550 lumens. This is a premium flashlight reflecting refined workmanship, and assembly technology.. FEATURES --Utilizes a cree XM-L2 LED paired with a high light transmission rate TIR Optic lens. --Neutral white. --Compared to the original S1 Baton, the S mini has a 10% shorter length and a 10% increased maximum output to 550 lumens. --Gradual brightness change: When the light is turned on or off, the light will gradually fade on or off to not strain the eyes during brightness changes. --Raw Copper body. Size: 2.5" x 0.83" PRC