This is a brand new Milwaukee 2116-21 USB rechargeable LED beacon hard hat light that provides 600 lumens of lighting. It comes with a Li-Ion battery and operates within 125 meters of range. The power source is USB and the battery is included. The worklight is cordless and features LED lighting technology. The unit quantity is 1, and it comes in a red color. It is a great addition to your workshop equipment and can be used for various tasks.