Micro Hat Clip Light with 10 lumen 5 super bright LED's with built-in 15 angle tilt Weighs less than an ounce, top mount design does not obstruct vision Burn Time: 118 minutes Powered by (2) two CR-2016 batteries (included) The new Cyclops Micro 5 LED Hat Clip is the pinnacle of close range lighting convenience. The five super bright LED bulbs have a built in 15 degree angle tilt to illuminate the darkness in front of you. The top mount design allows the unit to attach to the top of the hat bill so it won't obstruct the users vision. The Micro 5 LED Hat Clip puts out 10 lumens for an incredible 118 minutes straight. This sleek little light weighs less than an ounce; you won't even notice it's there.