Laser Cat Toys for Indoor Cats,The 4th Generation Real Random Trajectory Motion Activated Rechargeable Automatic Cat Laser Toy,Interactive Cat Toys for Bored Indoor Adult Cats/Kittens/DogsThe First Real Random Trajectory Automatic Cat Laser ToyThe built in dual motor moves the laser point trajectory randomly, stimulating your pet's hunting instincts and keeping them engaged. For a better play experience, it is recommended to place the toy on a table at a height of 8 35 inches Motion ActivatedWhen the smart sensor detects your pet moving, the YVE LIFE cat laser toy is automatically activated and works for 15 minutes before turning off.