Super Brightness & Rechargeable Batteries: The headlamp consists of three ultra-bright LED lights(1*P50 LED and 2*COB LED) with a maximum brightness of 10,000 lumens, irradiating light up to 500 meters, which light your road and protect you from danger. The battery compartment also has 1000 lumens LED lights that can illuminate the back for more safety. Built-in rechargeable batteries, the headlamp can be charged via regular 5V USB charging cable (included), more convenient and eco-friendly. 4+3 Modes & Long Working Time: Our super bright headlight has 4 modes of front light. Low brightness(1 main LED light up)middle brightness(2 auxiliary LEDs light up), high brightness(3 LEDs light up), SOS(red light, 3 LEDs flash). 3 modes of battery compartment light, high brightness, low brightness, red and blue flash. It works 12h in low brightness, 6h in middle, 4h in high and 12h in strobe, the battery compartment light works 30-50h, perfect for camping, fishing, explore, repairing. 90°