Klein Tools’ rechargeable headlamp provides three modes to fit your task: a bright, 22-hour floodlight; a brighter 12-hour focused spotlight, and a super-bright 400 lumen boost mode. You’ll know when it’s time to recharge the lamp, because the battery gauge clearly indicates how much battery you have left. Whether you wear with the adjustable silicone strap or attach it directly to a Klein® Hard Hat, this light-sensing auto-off headlamp is the best choice for your everyday light.   Rechargeable 400 lumen Auto-Off LED Headlamp has 3 modes: Boost at 400 lumens for 4 hours, Spotlight at 200 lumens for 12 hours, and Floodlight at 100 lumens for 22 hours Headlamp automatically turns off after 3 minutes in bright light via auto-sensing technology, extending battery life (feature can be disabled by holding the power button for 10 seconds) 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 64-Degree lighting angle Adjustable silicone strap secures headlamp onto head, hard hat, or cap Light can be easily removed from bracket for recharging Rechargeable via micro-USB port (cable included) Durable headlamp: drop-test rating of 6-Foot, dust and water resistant Klein Rechargeable Headlamp w/Silicone Strap, 400 lm, All-Day Run, Auto-Off 56064