TerraLux TLH-10 LED 100 Lumens Headlamp TerraLUX Headlamp 95 Lumen, 1xAA powered, aluminum bodied headlamp - 3 mode + signaling strobe - Black At TerraLUX we make LED flashlights and LED work lights that out-perform other lights Runs On: 1xAA alkaline battery (included) Output Mode/Runtime: High: 95 lumens/1.4 hours - Medium: 55 lumens/2.5 hours - Low: 5.5 lumens/5.5 hours - Strobe: 95 lumens Water Resist Rating: IPX-7