SportDog SDR-AF Add A Dog Collar SD-425/825

Expand your SportDog Dog Training Collar to two or more dogs. Add another dog to your current SportDOG Brand SD-425 system or replace a lost or broken collar receiver with the SDR-AF Add-A-Dog Camo Receiver.

Features:

• Smaller, more ergonomic collar-receiver design
• Weight: 4.8 ounces with collar
• Receiver Dimensions: 2.5″ x 1.5″ x 1.25″
• MAX 4 Camoflauge Pattern, 3/4″ wide
• Internal antenna system
• Rugged molded design
• 100 % waterproof collar/receiver
• 2 hour charge, Li Ion batteries
• User-replaceable, heavy duty battery, last 3-5 years with proper care
• Built-in LED – acts as charging light, test light
• Collar Dimensions: 3/4″ wide, fits up to a 24″ neck