... 40mm lamp, tube body 25 mm diameter, tail 27.5 mm in diameterWeight :120g (excluding battery)color:Black.Instructions ... ,R5 is 370 lumens.2: constant-current circuits, 5 dimming file , have the fuction of disjuction and ... time. The current of the three gears,100% 30% 5%3.battery : use the battery 18650 , high light ... contacts are used, good heat and electric effect,5,Head for the attack can be used as self ...