Versatile lighting for sports and outdoor activities. Light range of 35 meters. Visibility up to 400 m. Adjustable brightness angle. Standard IP44 sealing.5 modes: - Eco 10 Lumen - Standard 50 Lumen - Power 120 Lumen - SOS - Boost 180 LumenAutonomy: up to 2 h (Power), up to 5 h (Standard), up to 20 h (Eco). The permanently illuminated control button also serves as a charge indicator and shows the battery status. The LED turns green at 70% capacity and then red below 30%.a reflective loop on the back of the head offers an extra safety feature. Removable and washable elastic band.4.5 x 3 cm compact design. Among the lightest headlamps on the market (57g). USB rechargeable (cable included).