led head lamp built-in battery 4.2v charging interface headlights torch powerful lantern head light

product description: model of led: q5 led bulb lumens: 1000lumens waterproofing design 3 switch mode: bright light/dim light/flashing mode model of battery required: built-in lithium battery (include) head light weight :80g adjustable focus range for different usage, rotating to adjust its focus. switch: head switch