- Features a Cree LED emitter- Aluminum textured reflector with glass lens- Single mode Glow-in-the-Dark clicky on/off tail cap- Powered by 2 x CR123A (3.0/3.6V) note: barrel will not fit any 18650 batteries<br />                                                                                                                                Dimensions: 1.02 in x 1.02 in x 4.8 in<br />Weight: 2.65 oz