Package quantity: the package comes with 6 pieces hands-free LED clip on cap lights; Enough quantity to meet your needs for use and replacement, leaving you free to work, read, bicycle and explore whenever and wherever you want | Ultra bright: every cap light has 5 bright LED bulbs, can provide max 30 lumens, and the projection distance is 20 feet, brightening up your dark environment; And it is powered by 2 pieces CR2032 batteries (included), with higher brightness and longer life, can last up to 24 hours of working time; And there is one-click power button for easy on/ off operation | Easy to install: clip headlamps are easy to operate, just clip them onto the brim of a hat/ cap/ pocket with sturdy buckle, it is flexible to adjust the light with 90 degree rotatable design to get better angle of view; And you can also put on the cap lights on the belt easily, completely free your hands and allow you to concentrate on your work | Lightweight design: the size of LED hat light is about 2.16 x 1.97 x 1.11 inches, and the weight is less than an ounce, you will feel no burden when clipping it onto your hat, convenient and practical to use, a nice helper in life | Wide use: headlamp flashlights are nice for close up work and long distance viewing, can meet basic brightness needs for indoor or outdoor activities, designed for activities like reading, dog walking, fishing, night running, reading, camping, hiking, jogging and so on