Expand your high performance D.T. Systems Master Retriever 1100 Dog Training System to as many as 3 dogs with Master Retriever 1100 Add-On Collars. This additional collar provides the 1100's Gentle Touch system of 16 training stimulation levels and stimulation-free Vibration Assist to help you customize your dog's training. The collar's 1,100-yard range is optimized with a MAXX-Range 360 internal collar antenna to ensure positive signal reception over any terrain. Compact, waterproof design and construction. Collar comes with a rechargeable NiMH battery. Tough and durable nylon collar adjusts from 7"-22" in 1/2" increments to fit a wide range of dogs. Lightweight 4.7 oz.
Manufacturer model #: MRCAO.

• Extra training collar for D.T. Systems Master Retriever 1100 Dog Training System
• Gentle Touch system delivers 16 levels of nick or continuous training stimulation
• Vibration Assist - no-shock alternative with audible vibration
• 1,100-yard range
• MAXX-Range 360 technology - positive signal reception over any terrain
• Waterproof, compact collar design
• Rechargeable NiMH battery