The Master Retriever 1100 additional collar is meant to be an "Add-On" collar to your existing unit (each remote will work with up to 3 total collars). Choose from Black, Orange, Green, or Camo with Black collar strap.  

NOTE: This is the additional collar ONLY, Not the entire system with the remote. 

The MR1100 System features 100% WATERPROOF Collar & Transmitter, 1,100 yard range so you will always be in touch, 16 levels of electronic stimulation with our Vibration Assist mode and a compact and lightweight design to handle anything you and your dog can dish out.