: With max runtime of 20 days and premium LEDs with max output of 3,000 lumens, the headlamp instantly illuminates large areas, giving a perfect view : The hand-free headlamp is equipped with the red light with 2 brightness levels and a flashing mode for signaling, suitable for working in low light : When the flashlight headlight detects other objects before or within 0.5s of turning in Turbo mode, the proximity sensor will automatically reduce the output power : The large metal buttons on the side are easy to switch on and off, and the LED flashlight can be detached from the headband for use as a right-angle flashlight : The headband features a rugged stainless steel mount, with a breathable design and an anti-sweat rubber strip, while the IP68 is waterproof and dustproof