Cyclops(R) CYC-MHC-W 5-LED Micro Hat Clip Light
10 lumens; 5 super bright white LED bulbs with built-in 15deg angle tilt; Weighs less than 1oz ; Burn time: 2 hours; Top-mount design does not obstruct line of vision; Sturdy metal clip; Includes 2 CR-2016 lithium batteries;