D.T. Systems Master Retriever Additional Collar Orange

Add on collar for the Master Retriever dog remote trainer. Collar Unit – 2.25″ x 1.5″ x 1.25″, 4.7 oz. (with belt). Expand your DT Systems R.A.P.T. 1400 system up to 3 dogs with these add on receivers. 100% waterproof