Motion Activated Butterfly Toy: This butterfly toy will rotate(for 30 seconds) only when cat is approaching, which is more power saving. The sensor’s linear distance is 39 inch. . 360 Degree Rotation: The flash butterfly can rotate in 360 degree, which gives more fun for your cat to chase and play when you are away. . One Butterfly Refill: The toy is equipped with one replacement butterfly, so your cat can play with it for long time. Works with 3pcs AA batteries(Not Included) . Keeps Your Cat Healthy: Adds much-needed exercise for your cat to keep him healthy, especially if hes an indoor feline. . MONEY BACK GUARANTEE: Your satisfaction is our priority. All our products are backed by 3-year warranty, please feel free to contact us if you have any questions .