Overview: Brand: Ultra Fire Model: U4-MCUEmitter Brand/ Type: Cree XR-EEmitter BIN: Q5-WCTotal Emitters: 1 Brightness (Manufacturer Rated): 230 lumens Battery Configurations: 1 x 18650, 1 x 18500, 2 x 3.0V/3.6V CR123A, 3 x 1.2V/1.5V AAAVoltage Input: 3.6-8.4 V Switch Type: Clicky/ Clickie Switch Location: Tail-cap Modes: 3 Mode Memory: -Mode Arrangement: Lo gt; Fast Strobe gt; Hi Circuitry: 800m A Current Output, Digitally Regulated Lens: Coated Glass Lens Reflector: Aluminum Textured/OPCarrying Strap: Strap Included Specification: Dimensions: 5.22 in x 1.64 in x 1.64 in Weight: 6.46