The GoGreen Power Cyclops work light uses brightest white LED technology and provides you with an excellent light source without ever having to charge the battery. The Cyclops is powered by 4 AA batteries and comes with a total of 16. It's heavy duty structure and carrying handle, allow this item to withstand the roughest times. Looking to hang the Cyclops? Not a problem. Simply swivel the carry handle 180 degrees so it can be placed on a hook.