Product: SportDOG Brand FieldTrainer 425X/SportHunter 825 Add-A-Dog Collar - Additional, Replacement, or Extra Collar for Your Remote Trainer - Waterproof and Rechargeable with Tone, Vibration, and Static, Original (Old Version)
Brand: SportDOG Brand
This is the SDR-AF Collar Receiver only; Compatible with the SportDOG Brand FieldTrainer 425 (SD-425) and SportHunter 825 (SD-825)
The FieldTrainer 425 and SportHunter 825 Remote Trainers can be expanded to train up to 3 dogs with the same Handheld Transmitter with the purchase of this SDR-AF 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 charges in 2 hours and lasts 40-60 hours per charge. Features a low battery indicator to let you know when to charge
Detailed operating guide and a locally based Customer Care Center, available 6 days a week, provide support when you need it

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