SportDOG SD-425XS Add-A-Dog Collar Red

The Collar Receiver for FieldTrainer 425XS. Add another dog to your current SportDOG Brand electronic training collar system or replace a Collar Receiver with the SDR-AXS Add-A-Dog Receiver Collar. Dog Size: 8 pounds or larger Fits neck size 5″ – 22″ Battery Type: Rechargeable Li-Ion Battery Life: 40-60 hours of “on-time” per charge Battery Charge Time: 2-hour quick charge