Wireless Pet Containment System Receiver Collar Doors Works with any type of

Works with any type of litter box

Best for apartments or rental homes

Simplified disposal

Comes in 2 pieces with top and bottom panels

Rest easy knowing your pet can come and go

Wireless Pet Containment System Receiver Collar Doors Works with any type ofPetSafe Wireless Pet Containment System Add A Dog Extra Receiver Collar can be used to either add another dog to an existing Wireless Containment System or as a replacement collar. You can add an unlimited number of pets to your containment system as long as each pet has a compatible receiver collar. Features Add Unlimited Pets to Your System Keep as many pets as you need safely in your yard as long as they wear a PetSafe Wireless Fence Receiver