This headlamp features a dual charging design. It supports Type-C fast charging and 5.5V/1.5W solar charging. It uses a built-in 2400mAh battery pack with two 18650 lithium batteries and a removable battery compartment. It employs intelligent motion sensing technology for hands-free operation. It provides multi-mode illumination with adjustable brightness and various light colors. It allows flexible angle adjustment for precise lighting coverage. It includes practical details like a 4-segment battery indicator and an IPX4 water-resistant rating. It is crafted from ABS+PC material and weighs only 385 grams for portability. - Obasyhig Waterproof Long-lasting Emergency Motion-sensing Headlamp - Style 5