Energizer Pro Series LED Headlamp 2 offers convenient hands-free operation with intense brightness and a long beam distance for powerful indoor and outdoor lighting. This durable rechargeable LED adjustable headlamp uses a hybrid power model with either a rechargeable lithium-ion or 4 AAA batteries and is ideal as an emergency light, work headlamp or outside light. With 650 lumens, this bright flashlight headlamp offers intense light and is 12x brighter than standard LED technology with a beam distance of up to 100 meters. Seven modes let you choose the right setting for any situation and the advanced dimming feature lets you adjust the intensity of the light between 10% and 100%. Red and green LED modes allow you to preserve night vision, and high CRI LED offers clear color definition. Waterproof and dustproof with a shatterproof lens, this rechargeable LED light is lightweight and compact yet durable, making it ideal as a fishing headlamp, bike headlamp, camp headlamp and more. Use the comfortable, adjustable straps to get the perfect fit, and aim the beam where you need it with the pivoting head. This rechargeable headlamp has a 2-hour run time on high power. Trust in Energizer to deliver the powerful performance we promise — Energizer lights are tested and adhere to strict, reliable ANSI standards.