??Additional Collar Receiver? This Additional Collar Receiver is for FOCUSER Wireless Dog Fence System Only, please contact Seller for pair-up insruction if you need help.
??Waterproof? Focuser Water resistant Collar Receiver Is Rated IP67, Which Means Your Dog Can Get Wet in The Grass, Mess With The Sprinkler or Play in The Rain With this electric dog fence system.
??Rechargeable Collar? The Advanced Receiver Collar with High Capacity Built-In Durable Battery Which is Rechargeable. Also, the Collar Has Designed to Has The Function of Low Power Consumption and Low Battery Alert.