SportDOG Brand FieldTrainer 425X Remote Trainer - Rechargeable Dog Training Collar with Shock, Vibrate, and Tone - 500 Yard Range - SD-425X - Amazon.com
Receiver Battery Kit (sd-425 Series & 825) - Store | SportDOG
SportDOG FieldTrainer 425X 500 Yards Range - Front Range Gun Dog
SportDOG Training Collar (425X Remote Trainer) - YouTube
SportDOG Field Trainer SD-425X Remote Training Collar
SportDOG SD-425X Field Trainer Remote Waterproof & Rechargeable Training Collar 729849166035 | eBay
Amazon.com: SportDOG Brand 425X Remote Trainer with Additional Collar - Train 2 Dogs - 500 Yard Range E-Collars with Static,Vibrate and Tone-Waterproof,Rechargeable - (1) Black and (1) Orange Dog Training Collars