SportDOG Brand SD-425 Adapter Accessory - Power Cord for FieldTrainer 425 Remote Trainer Charging adaptor only; Compatible with models SD-425, SD-425S, SD-425CAMO, and SD-825 Split-plug charger to charge the Remote Transmitter and Collar Receiver at the same time Charge your system in 2 hours; fits standard outlets Our locally based Customer Care Center, reachable at 844-209-4636, provides support when you need it By designing our products in the field, with heat, cold, rain, snow, dust, mud, and wind in mind, SportDOG has become the most recognized brand in the electronic tracking and training categories, making the promise to always create "Gear The Way You'd Design It"