Cart Product Price Quantity Total × Extra collar/receiver for the SD-425, SD-825 or SD-875E unit Vendor: admin $119.95 Quantity $239.90 × Sport Dog In-Ground Fence System - Additional Receiver Vendor: admin $99.95 Quantity $99.95 Coupon: Apply coupon Update cart Proceed to checkout Cart totals Subtotal $339.85 Total $339.85 Proceed to checkout