The wireless Paw is designed to look like a paw print and can sit on the floor or mount on the wall. When your pet pushes the Pet Chime paw, the chime tones to let you know your pet is ready. The chime gives you two choices of tones - either a dog bark or a "ding-dong" chime.Give your pet the freedom to roam around the house without you having to worry about accidentsWorks up to 100' away from receiverEasy-to-follow directions are included so it is very easy to train your petRequires one 9-volt battery (not included)Pet Chime Wireless Doorbell sold separately