Rechargeable headlamp has 3 FL 1 rated modes: All on, Spot, and Flood, offering brightness levels ranging from 400 lumens to 100 lumens and up to 22 hours of runtime Battery gauge indicates level of battery life with colored LED lights Smartly designed headlamp bracket also attaches directly to Klein Hard Hats (those equipped with bracket system) Slim profile with pivoting mount to allow up to a 160-Degree lighting angle Adjustable silicone strap secures headlamp onto head, hard hat, or cap Rechargeable via USB-C (cable included) Durable headlamp: drop-test rating of 2m, dust and water resistant