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 × Tek 2.0 Adapter Accessory Vendor: admin $21.95 Quantity $21.95 Coupon: Apply coupon Update cart Proceed to checkout Cart totals Subtotal $361.80 Total $361.80 Proceed to checkout