MR1100 Add-On Collar Color:Black When used in conjunction with

When used in conjunction with a proper dog training program

Provides solid protection against parvovirus

Country Vet's Automatic Fly Control Dispenser is EPA registered and provides immediate relief from flying insects

cattle and sheep

and less stressed horse

MR1100 Add-On Collar Color:Black When used in conjunction withMR1100 Add On Collar The Master Retriever 1100 additional collar is meant to be an "Add On" collar to your existing unit (Item code# DTSF). Each remote will work with up to 3 total collars. Choose from Black, Orange, or Green with Black collar strap. NOTE: This is the additional collar ONLY, Not the entire system with the remote.