Feature: Made of XM-L T6 LED, Super bright Waterproof design, Up to 30 Meter Using advanced ABS plastic with good flexibility, not easy to break With adjustable head band for conveniently put on or take off Headlamp can be up and down 90 degree head rotation, exposure to any best position Wide usage such as biking, camping, hikinging, hunting, fishing, emergencies and home repairing, etc Specifications: It is used for diving Waterproof: Up to 30m LED Type: Q5 LED Light Color: White LED Quantity: 1 Battery Type: 3x AAA or 1x 18650 3.6V/3.7V ( not include battery ) 3 Modes: On, Off, Flashing (by tightening both sides to operate) Brightness: maximum brightness is 1000 lms LED Lifespan: 100,000 hours Color: Yellow Headlamp Size: 125x105x85mmincludes:1 x Diving Headlight 1 x AAA battery adapter(black and white random) 1 x 18650 plastic tube(For using 18650 battery,Not include battery)