This copper Maratac Rev 6 LED flashlight is the best to date with 138 lumens, 3 modes, and an orange peel reflector. Powered by a single readily available AAA battery source. Made from machined 101 copper with knurling for grip and outfitted with a black finished stainless steel pocket clip and lanyard hole for key chain attachment. Comes with a glow in the dark diffuser. Mode: Output / Runtime High: 180 lumens / 48 Minutes Medium: 65 lumens / 8 hours Low: 5 lumens / 65 hours