One button switch with 3 modes: high light, low light and flashing. Choose the one that suits best your needs.Lightweight, compact, water resistant, easy to use and convenient to carry.The headband is adjustable and elastic, which is perfect for anyone who needs a head light lamp.The super bright head light lamp is suitable for every outdoor activity like running, mountain biking, climbing, and many more COLOR: BlackMaterial: ABSLight color: WhiteBulbs:1 x COB LEDPower supply: 3 x AAA batteries (NOT included)Size: 6.1cm x 4cm x 1.8cmWeight: 54gPackage includes:3 x Mini head light lampOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.