With up to 500 lumens and 5W of power, this headlamp is both bright and powerful. It features two buttons on the top - the right button activates and deactivates the auto sensor, while the left button allows you to switch between white light (with options for strong, weak, and SOS) and red light (with a long press for strong and SOS) to adapt to different environments. To use the motion sensor feature, simply wave your hand within 10cm of the headlamp to turn the white light on or off. Material : ABS. Weight : 58g. Accessory : USB charging cable and user manual. User Manual : Paper Print. Certification : CE/FCC/ROHS/MSDS.