About this item Battery Powered - Three AAA battery is required but not included, which is very low power consumption. (Please note it is not a rechargeable headlamp) Light Weight and Water Resistant - Only weighs 50g (without battery), the headlamp is perfect for outdoor running, cycling, fishing, camping etc. Its waterproof rate is IPX4, means the lamp is free from splashing water. 4 Lighting Modes - High and low brightness modes of main light; Steady on and flashing modes of red light. Adjustable Angle - Can be rotated at 45 degree up and down, this headlamp's beam angle is adjustable for oriented lighting. Discharge Time - Powered by one battery, the discharge time of the low brightness mode can be up to 10 hours, and 5 hours of the high brightness mode. If you have any questions after receiving the goods, please contact us in time and we will solve it for you quickly. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store