Long Working Time - Using 1000 lumens USB rechargeable design, the Headlamp can work for up to 12 hours at low brightness and 5 hours at high brightness. With 4 battery indicator lights, it is convenient to charge in time. Compact & Ultralight - Compared with ordinary headlamps, it is half smaller and lighter. Net weight only 1.6oz/45g, reducing head burden, 45 degree rotatable to relieve neck fatigue. IPX5 Waterproof & Anti-impact - Waterproof design allows use in various conditions. Sturdy structure, anti-impact, suitable for harsh outdoor activities. Wide Application - Suitable for night sports, running, dog walking, cycling, hiking, camping, climbing, fishing. Gear position (7-speed dimming): main light on, COB side light on, +COB all on, +COB flashes, /COB flashes alternately, COB side red light, COB side red light flashes (long press 3 seconds to close any gear). Induction: main light with wave induction. Features: wave sensor switch, two-switch control, power display, distance focusing. Colour: as shown in the picture. Material: ABS+PC. Size: 38 x 63 x 43mm. Package Contents: 1 * Headlamp, 1 * usb line. Note: Light and different displays may cause color difference. Measurement error allowed +/-1-3cm.