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Feature

Internal wiring applies the high efficient booster circuit, working voltage is wide and can utilize the batteries in the largest extent.
Battery type: 1 x 18650 3.7v Battery or 3 AAA batteries ( Not include Charger/Battery/Holder )
Adjustable focus range for different usage
Suitable for Self Safety, hunting, cycling, climbing, camping and outdoor activity etc.
.External Dimension : 35mm(Head)x25mm (Body)x 135mm(Length)