These COSOOS headlamps are absolute game-changers for anyone who needs hands-free lighting! You get two headlamps in the pack, each weighing only 1.6 ounces - seriously, you'll barely notice you're wearing them. They're powered by a single AA battery (not included) and deliver up to 200 lumens of bright white light that can reach up to 100 feet ahead. The three lighting modes are super handy: high beam for when you need maximum visibility, normal light for everyday use, and two side LEDs that work as floodlights for peripheral vision. The headband adjusts from about 14 to 23.6 inches, fitting both kids and adults comfortably, and you can even wear them over most hats or helmets. The 45-degree adjustable head means you can point the light exactly where you need it without moving your whole head. Perfect for camping trips, late-night runs, power outages, working on your car, or walking the dog after dark. They come with portable carrying cases too, making them easy to stash in your glove compartment, emergency kit, or backpack. The operation is simple - short press cycles through the main light modes, long press turns on the side LEDs. Whether you're a serious outdoor enthusiast or just need reliable lighting around the house, these headlamps deliver serious performance without the bulk or high price tag of fancy models. Definitely one of those 'why didn't I get these sooner' products!