3 watt cree stormforce focus beam headlight with the battery pack on the back of the headlight strap this headlight is balance for optimum performance and comfort the lens houses a 3 watt cree branded high power led that is 75x brighter than ultra bright leds and can be focused for either spot of flood light 3 energy saving modes of frac12 power full power and flashing help extend battery life head tilts to direct light where needed most 3 x aaa batteries included