The SpotLit LED Carabiner Light is the perfect mini-beacon whenever you need a little help in the dark. Set in a lightweight stainless steel carabiner it attaches quickly and securely to pet collars key rings jackets backpacks – just about anything with a hook or zipper. Its long-lasting LED provides an ambient glow bright enough for everything from reading fine print illuminating keyholes marking hazards or staying visible at night. With Disc-O Select technology you can select from six different colors for easy identification or you can go buck and leave it cycling through all the colors in Disc-O Mode. Powered by two replaceable (included) 2016 batteries this little light will keep going for over 20 hours.