The led headlamp is the reliable and perfect partner as a running headlamp, camping headlamp, fishing headlamp, hunting headlamp, hiking headlamp, repairing hard hat headlamp, reading headlamp, and other indoor and outdoor activities. The Headlights Can Be Adjusted Downwards At a 90°Angle Which can be adjusted from the front to the illumination on the foot surface to meet the needs of different angles of light and avoid danger. Lightweight and Comfortable With Easily Adjustable, Ergonomically Designed Elastic Headband Makes this Light Perfect for Long Distance Runners or Anyone Else Looking For a Comfortable Fit. Outdoor Lighting range of headlights,provide enough light for better outdoor activities. Ample light ensures the safety of outdoor activities, and maintains a good view even at night.perfect for : Camping ; Running ; Hiking ; Fishing ; Hunting;Horseback;Riding;Reading Instruction 1.Take out of the little plastic which is isolation if the battery was installed into the headlamp. 2.Charge the battery first for 3-4 hours. The indicator of charger blinks red and green or just blinks red when the battery is in charge. The indicator of charger turns to green when the battery is in full charge. 3.Install the battery into the headlamp. Put the negative pole (anode)in the side without spring, that means put the positive pole (cathode) touching the spring. 4.Cover the lid back. Hardly press the button beside the head to turn it on. 5.Press the button lightly to change the modes.There are 3 modes (Bright-Dim-SOS)with this headlight 6.Zoom the head to change the shape of light. Specifications Model of Led: Led Body Material: Alumiun alloy Focus: Stretching to adjust its focus Distance: 100 meters Modes: 3 modes ,Bright / Dim / SOS Power supply: 2 x lithium_ion Battery(Included) Waterproofing design, but don't deep it into water. Package Includes 1 x LED Headlamp 2 x Rechargeable Battery 1 x Wall Charger 1 x Car Charger