Super bright 600 lumens with CREE XGB T6 bulb. Includes 12 V auto charger and 110 V wall charger. Uses 3.7V rechargable battery or 3 AAA batteries. Durable aluminum construction for heavy duty use will not rust. 2-function beams: concentrated spot lighting or widebeam for large areas, also includes flashing function. 6/inner and 12/case.