D.T. Systems Add-On Collar Receiver for MR 1100 Camo

This DT Systems add on collar unit for the MR 1100 in Mossy Oak Shadow Grass Blades Camo is compact, lightweight, 100% waterproof collar is fully rechargeable Collar adjusts from 7? to 22? in ?? increments & weighs only 4.7oz. Perfect solution for those that have 2-3 dogs!