The product comes with a remote controller for convenient controlling. These are brown looking vivid mice with two channel control: -go forward -backward. Probably the best toy to interact between owner and pets!

Type: Cats
Toys Type: Mice & Animal Toys
Brand Name: PETRICH
Material: Other
Color: Black, Brown, Grey
Mouse Size: (L x W x T): 16 x 7 x 8cm/12 X 7 X 5cm
Controller Size: (L x W x T): 11 x 5.5 x 3cm/4.33 x 2.16 x 1.18in
Mouse powered: 3 x 1.5V AAA Batteries
Controller powered: 2 x 1.5V AA Batteries
Including: 1 Pcs RC Mice Cat Toys
Note: Pink Ear Mouse Just Have 12 X 7 X 5cm Size