HAPTIME Pet Toy Remote Control Mouse RC Mice for Cat and Dog Funny Electronic Mouse Toy with Remote Control Operated by radio remote control, the mouse can move forward and backward just like a real mouse, to attract pets attentions Remote controller is powered by 2 x AA batteries (not included)/Mouse is powered by 3 x AAA batteries (not included) Size:15*9*7cm (not including the tail);Tail length:13cm