SportDOG Brand Add-A-Dog Collar for FieldTrainer 425E and SportHunter 825E

The original Collar Receiver for FieldTrainer 425E and SportHunter 825E. Add another dog to your current SportDOG Brand electronic training system or replace a Collar Receiver with the SDR-AF Add-A-Dog Collar Receiver.

• Collar Receiver only; Compatible with SD-425E or SD-825E
• 7 levels of static stimulation in low/medium ranges; Option to train with vibration and tone
• DryTek waterproof and submersible to 7.6m
• Rechargeable lithium-ion batteries last 40 - 60 hours per charge
• For dogs 3.5 kilograms or larger with neck sizes 12.7cm - 55.9cm