Features: Wave Sensing - With a side wave sensing sensor and one-touch buckle, it's easy to work outdoors while wearing this headlamp. Wide angle view - The wide beam LED provides a 230 degree view with no dead space ahead. Long range - In addition to the wide angle view provided by the wide beam LED, a single side LED can illuminate long distances of up to 100 metres/3937 inches. Safety lighting - illuminates the user, the front and the user's surroundings to ensure safety and avoid accidents. Durable and stretchable headband with silicone light housing, adjustable to any head size, no weight on the head, compact and lightweight, easy to carry, waterproof and sweatproof, easy to clean. Full visual design - suitable for running, camping, hiking, fishing, cycling, dog walking, reading, outdoor recreation, emergency and various other scenarios. It is also a good choice as a gift.