Feature: High quality material with long service time. Built-in rechargeable battery, convenient to use. Elastic headband with adjustable buckle to fit most people. Small, lightweight, simple construction, easy to carry and operate. High brightness, low power consumption, energy saving, environmentally friendly. Sensor ON/OFF button: blue led light on when activated, first click allows white led to turn on by waving hand in front of headlamp and it will reach to the brightest, second click turns off the motion sensor. First press, the white light on, second press, the switch blue light on Cycle between white and red leds by holding buttons for 3seconds, first press, red light on, second press, flash red light. Practical, suitable for most indoor like home maintenance and outdoor activities like camping, fishing, hiking, map reading, night fishing, night flying, sailing, caving and hunting etc. Specification: Material: plastic Color: As the picture show Size: 6x4x3.5cm Head circumference: 58cmL*W*T USB cable length: 52.5cm Lumens: 3000lm Working time: 5-20hrs Charge time: 2.5hrs Battery: built-in rechargeable Li-polymer battery3.7V, 1200mAh Package List: 1 x Headlight 1 x USB Cable