Simply place the laser cat toy on any elevated, flat surface or hang it on a doorknob. With two play mode options and a random, moving laser display, this toy is a fun way to keep your cat healthy and active. One-Time-Play mode turns the toy on for 15 minutes and Play-All-Day mode turns the toy on for 15-minute intervals every two hours. The Certified Class 1 laser is completely safe for your cat. Move and adjust the position of the toy to keep your cat challenged and engaged during playtime.