3-in-1 Interactive Cat Toy: It is designed for cats to get indoor exercise and mental stimulation. Perfect for multi-cats family as 1 of the 3 modes will for sure to catch their attention. Whack-a-Mole Mode: The shiny colorful teaser pops out randomly to stimulate kitty’s curiosity. 360° Spinning Fabric Butterfly: The butterfly rotates 360-degree and mimics the erratic movement of real prey. made butterfly is safer than plastic ones as it can protect your cats' eyes and noses. Auto Switch Between 2 Modes: The Whack-a-Mole mode runs for 30 seconds, then the butterfly begins to rotate for the next 30s. Please note that the Whack-a-Mole and Butterfly DO NOT run at the same time so that your cats will never get bored with this toy. Motion Sensor: This cat toy is motion activated to save battery. The toy stops running after 3 mins if sensing no kitties around and re-starts when cats approach again. Bell Ball Track: The added cat ball toy will triple the fun and keeps your kitties occupied all day. Protected Wire: Butterfly wire is wrapped with plastic tube to protect cats from being injured in case they bite on it. USB Re-chargeable: This 3-in-1 interactive cat toy uses USB charging and does not need any battery. Dimensions (L x W x H): 20.5 x 20.5 x 10 cm or 8 x 8 x 3.9 inch