- Model: Small sun QY-C64- Features a Cree P4-WC LED emitter- Powered by?2 x?1.2V/1.5V AA?batteries- Input voltage range: 2.4V~4.2V- Single-mode clicky tail-cap on/off switch-?80~100 lumens maximum brightness output (manufacturer rated)- Regulated driver circuitry- 800mA current output (manufacturer rated)- 1.5 hour estimated total runtime (manufacturer rated)<br />- Coated glass lens with?plastic textured/OP reflector                                                                                                                                Dimensions: 5.91 in x 0.79 in x 0.79 in<br />Weight: 2.12 oz