for outside hiking, camping, caving, hunting, fishing, boating, mining, climbing, running, cycling, dog walking, reading, household searching, construction lighting. With adaptable focus function : can also be for precision work. Jewelry, auto repair, craft work .... : To adjust the focus, please pull out the middle led of the headlamp, please do n't rotate the frame. Product : Battery Type : 18650 reversible Lithium-ion battery Battery capacity : 2500mAh Materials : Made of Aluminum Alloy and ABS materials Discharge time of the clad weak : overfull brightness : high-stepped -LRB- 6h -RRB- / Middle -LRB- 10h -RRB- / low-toned -LRB- 15h -RRB- / Strobe USB cable included, you no longer have to buy batteries. 4 : White : low-toned brightness -LRB- 1 * T6 LED on -RRB-, Medium brightness -LRB- 4 * XPE LED on -RRB-, high-stepped brightness -LRB- 1 * T6 & 4 * T6XPE LED all lights up -RRB-, Strobe -LRB- 1 * T6 & 4 * T6XPE LED all lights up -RRB- homely to Wear. Straps are to wear and soft to adjust, and the battery compartment that is covered with rubber seal as well as proximity fictile plate holding the lamp do not cause any discomfort. Super. the path up to 500-800m with 8000 lumens. . . The rating IPx5 it is protected against water jets from all angles. -LRB- : Please do n't directly put it into water . -RRB- . Package : 1 x reversible headlamp 1 x USB cable 2 x 18650 reversible Lithium-ion battery Click on the `` Add to Cart '', and enjoy hand-free lighting at night.