Coast HL8 390 lm Focusing LED Headlamp,Pack of 6 Six Pack of Coast HL8 Headlamps Pure Beam Focusing Optic with Twist Focus Technology and Light Control Dial Light Output: High - 390 lumens; Low - 25 lumens Beam Distance: High - 217 meters (711 ft.); Low - 55 meters (180 ft.) Runtime: High - 2 hours; Low - 83 hours.Light output(high) : 615 Lumens