The Collar Receiver for SportHunter® 1225X/1825X and SportTrainer® 1275 Remote Trainers. Add another dog to your current SportDOG Brand® electronic training collar system or replace a Collar Receiver with the SDR-AX Add-A-Dog® Receiver Collar.

FEATURES:

• Waterproof and submersible to 25 feet using DryTek® technology
  
• For dogs 8 pounds or larger with neck sizes 5" - 22"
• RECHARGEABLE lITHIUM-ION BATTERIES
• bATTERIES CHARGES IN 2 HOURS, LASTS 140-160 HOURS PER CHARGE
• LOW BATTERY INDICATOR

SYSTEM COMPATIBILITY

• FieldTrainer® 425X (SD-425X), 425XS (SD-425XS), 425 (SD-425), 425S (SD-425S)
• SportHunter® 825X (SD-825X), 1225X (SD-1225X), 1825 (SD-1825X), 825 (SD-825), 1225 (SD-1225), 1825 (SD-1825)
• SportTrainer® 575 (SD-575E), 875 (SD-875E), 1275 (SD-1275E)
• WetlandHunter® 425X (SD-425XCAMO), 1825 (SD-1825XCAMO), 425 (SD-425CAMO), 1825 (SD-1825CAMO)
• ProHunter® 2525 (SD-2525)
• HoundHunter® 3225 (SD-3225)
• UplandHunter® 1875 (SD-1875)