Highlights: Model: Ultrafire C1 Features a Cree XR-E R2-WC LED emitter HA-III anti-scratch finish Comes with a carrying clip Comes with interchangeable Assault Crown & regular smooth bezel crown Powered by 1 x 18650 or 2 x 3.0V~3.6V CR123A batteries Input voltage range: 3~8.4V5-mode tail cap click switch with state memory: Hi gt; Mid gt; Low gt; Strobe gt; SOS250 lumens maximum brightness (manufacturer rated)1000m A circuit current output (manufacturer rated) Regulated driver circuitry 1~1.5 hours total runtime (manufacturer rated) Coated glass lens with aluminum textured/OP reflector Specifications:LED Brand: CREELED model number: R2LED Power (W): 3 W Colour Temperature: 4000-8000 K Brightness: 250 lumen Function Mode: Hi gt; Mid gt; Low gt; Strobe gt; SOSBattery: 1 x 18650 Dimensions (Cm): 15 x 3.2 x 3.2 Shipping Weight (Kg): 0.1558 Package Contents:1 x