SportDog Extra collar/receiver for SD-425X X-Series medium pet bed Waterproof Collar Receivers: The craftsmanship

Waterproof Collar Receivers:  The craftsmanship that goes into every Perimeter brand dog fence is so good they offer the only battery replaceable waterproof collar receiver on the market

2" Plastic Bumpers (Tri-Pack): With six bright and durable bumpers in orange

streamlining your training process

Ensure all components are dry before reinstallation

SportDog Extra collar/receiver for SD-425X X-Series medium pet bed Waterproof Collar Receivers: The craftsmanshipSportDOG Brand Extra Add A Dog Collar Receiver SD 425X X Series Expand your SD 425X X Series system or replace a lost collar with this Extra Add A Dog Receiver. Fully compatible with your existing SportDOG setup, it allows you to train an additional dog or maintain a backup collar for uninterrupted training sessions. Compatible With: SD 425X X Series systems Features Extra Add A Dog receiver for SD 425X X Series Enables training of an additional dog