The Bling Bling Blinker is a flashy way to keep your pet safe at night. It's bright LED light can be easily seen for 300 meters at dusk, and for up to a 1/2 mile in total darkness. It's perfect for a jog or the dog park. Bling Bling Blinker works great on people too. Put one on your child's backpack for added visibility. Bling Bling Blinker's come in three color combinations: blue/white, jade/pink, and red/white/blue. Fits most standard collars.