Energizer Hard Case Professional Rugged 3 LED Headlight, Batteries Included, Black/Gray This durable rugged headlamp works with 3 Energizer MAX AA Batteries (included) High-powered LED technology delivers a powerful beam of up to 325 lumens that can reach up to 100 meters on high mode Nonslip head strap and adjustable band fit standard helmets and hard hats Tough construction can withstand drop after drop from up to 2 stories high (7 meters) Includes a convenient pivoting head that directs a powerful stream of light Easily switch between flood and/or spotlight modes Ready for any weather: Water-resistant to IPX4 standard