... :YEZLmodel: BY6-2Size :148MM length, diameter 40mm lamp, tube body 25 mm diameter, tail 27.5 ... light color is white. 860 lumens lamp life long life, high above 100,000 hours.Q3 is 200lumens ... if less than two seconds duration, after electrify power shift, next above three seconds electricity with memory ... .), Suitable for family standing. YEZL-BY6-2 high power led cree flashlight ,Rechargeable battery