Features a Cree XR-E P4 emitter - Glass lens with aluminum textured reflector - 3W Regulated Circuitry - Takes 2x18650 or 2x17670 (rechargeable OK) - Switch type: clicky on/off Dimensions: 7.87 in x 1.26 in x 1.26 in<img src="//112.74.112.28/down/products/110033/110033_000.jpg">