OLIGHT Olight-S10-XML2 EDC Baton 400-Lumen LED Flashlight, Black LED: CREE XM-L2, double click the on/off button to activate strobe mode Runs on: 1X CR123A or 1X RCR123 (not included) Output mode/runtime: high:400lumen/1.25hrs, mid:85lm/7.5hrs, low:5lm/108hrs, moonlight: .5lm/360hrs LED: CREE XM-L2, Double click the on/off button to activate strobe mode Runs on: 1x CR123A or 1x RCR123 (NOT included) Output mode/Runtime: High:400Lumen/1.25hrs, Mid:85Lm/7.5hrs, Low:5Lm/108hrs, Moonlight: .5Lm/360hrs Dimensions: Length: 2.77" (70.5mm) Diameter: .9" (23mm) Weight: 1.48 .oz. (42g) (excluding battery) Magnetic tail allows the flashlight to be attached vertically on any magnetic surface