DogWatch® SmartFence™ Extra Receiver Collar
Maybe you need an extra receiver for your pet. Don't worry. The DogWatch® Hidden Fences can handle unlimited number of pets. Just add extra receivers as needed.
Dimensions and weight of the receiver
SF: 5,6 cm x 3,5 cm x 2 cm (L x W x H). It weighs only 48 grams incl. battery