The original Collar Receiver for the HoundHunter® 3225 system. Add another dog to your current SportDOG Brand® electronic collar system or replace a Collar Receiver with the SDR-AH Add-A-Dog® Receiver. This Collar Receiver comes with a blue strap to easily identify Collar Receivers.

• This is the SDR-AH Collar Receiver only; compatible with the SportDOG Brand HoundHunter 3225 (SD-3225)
• The SportHunter 3225 Remote Trainer can be expanded to train up to 6 dogs with the same Remote Transmitter with the purchase of this SDR-AH Add-A-Dog Collar
• Features DryTek technology making this collar waterproof and submersible to 25 feet; fits dogs 8 pounds or larger with neck sizes 5"-22"
• Rechargeable lithium-ion batteries charge in 2 hours and last 40-60 hours per charge; features a low battery indicator to let you know when to charge