Description:Useful tool: This LED head lamp is worn on the head, which can free your hands and let you use both hands to finish the current task. Energy Saving: This LED headlamp is powered by 3 AAA batteries and can work for about 10 hours cycling.4 Modes: This portable LED headlamp is designed with strong light, low light, red light and red flash light modes to meet your different needs. IPX6 Waterproof: This LED head light is perfect for outdoor use and is not easy to be damaged by water and rainwater. Suitable Occasions: This head size adjustable flashlight is well suited for running, jogging, walking, cycling, camping, hiking and so on. Specification: Working time: more than 10 hours. Battery: 3 x AAA batteries (not included). Material: ABS. Light Source: 1 3W LED and 2 Red LED Light. Lumen: 122lm. Maximum lighting distance: 70m. Waterproof: IPX6. Size(LxWxH): Approx. 56x40x3 4mm/2.20x1.57x1.34 inch. Note:There may be a bit of color distortion due to the different resolutions of your computer. There may be a slight error due to different manual measurements. Package Included:1 Piece Headlight