- Model: UltraFire C2 MCE- Features a Cree MC-E M-Bin (Color: WC) high powered LED emitter- Powered by 1 x 18650 battery- Voltage input range: 3.6V ~ 4.2V- 2-mode tail cap clicky switch: Hi > Lo- Digitally regulated LED driver circuitry- Coated glass lens with aluminum textured/OP reflector                                                                                                                                Dimensions: 1.61 in x 1.61 in x 5.12 in<br />Weight: 4.23 oz