Novelty Funny RC Wireless Remote Control Rat Mouse Toy For Cat Dog Pet Black,Gray,Brown material: plastic, flocking and electronic component batteries(not included): should install 3 AAA batteries of 1.5v in the mouse and 2 AA of 1.5v batteries in the controller size: mouse: 15cm*9cm*6.5cm(tail:13cm),controller:11cm*5.5cm color:black,gray and brown It will be a good gift for your cat or dog.They will like to catch the mouse and play with it The mouse is directed by the controller.It is convenient to use the controller