The SportDog Underground Dog Fence is designed to keep your dogs in yards up to 100 acres! Expands to any number of dogs and has a water proof receiver collar with five adjustable power levels. Includes everything you need to get started. The best, most advanced dog fence on the market today. Keeping your dog safe at home is a must for all dog owners. SportDOG Brand can help. Whether your dog hunts, trials or is a full-time companion, our containment system provides freedom and safety for $1,000's less than conventional fencing. Our in-ground fencing is easy to install and versatile enough to accommodate just about any yard or area. More than one dog to contain? No problem, simply purchase additional collars. Like all of our products, our containment system and components are backed by a Lifetime Limited Warranty. Safe and effective for all dogs over 10 pounds, the SportDOG Brandâ„¢ In-Ground Fence System can cover up to 100 acres. Installation is a simple as installing the wire around the perimeter and plugging in the transmitter with the included adapter. Your dog wears a collar that receives a signal from the wire if he ventures too close to the perimeter. Follow the included training instructions to get your dog used to his new boundaries and your dog will be staying safe at home in no time.
System includes:
- 100% Waterproof Collar-receiver provides four adjustable correction levels plus beep and vibrate-only modes
- One collar-receiver included. System expands to include any number of dogs with purchase of additional collar-receivers (Model SDF-R)
- Low-battery indicator
- Receiver uses a common 9 volt battery with an average life of 6-9 months
- Built-in lightning protection
- 1,000 feet of wire and 100 flags
- Wire-break alarm on transmitter
- "Anti-linger" feature on collar keeps dog from constantly testing the boundary
What's In The Box?
SDF-100 SportDog Underground Dog Fence Kit For Yards up to 1 Acre Includes; Transmitter, Receiver, 1000' Boundary Wire, 100 Boundary FlagsIf your coverage area is larger than 1/3 acre, see chart below to calculate the amount of additional wire you would require.
Your "Underground Fence" does Not have to be installed underground! Save all the digging and cut your installation time in half! All you need is one box of Fence Staples (SS-100) for every 500 feet of wire you order for above ground installation.
Use this guide to determine how much wire you need to enclose your yard. These figures are estimates, based on typical layouts. You may need more wire if you're doing interior loops to boundary off gardens, swimming pools or other protected areas. We will provide you wire in 500 foot increments on 500 or 1,000 foot spools.
| To Cover This Size Area | You Need This Amount of Wire |
| 1/3 Acre | 500 Feet |
| 1/2 Acre | 600 Feet |
| 1 Acre | 1000 Feet |
| 2 Acres | 1300 Feet |
| 3 Acres | 1500 Feet |
| 4 Acres | 1800 Feet |
| 5 Acres | 2000 Feet |
 For larger areas, use the following formula: Multiply the total acreage by 43,560- i.e. 10 acres x 43,560 = 435,600
Find the square root of the above number - square root of 435,600 = 660 (this is the length of each side of a 10 acre area that is square in shape. Even if your area is not square, if you multiply this number by four, this is the approximate length of the four sides of a 10 acre area.)
Therefore, one would need approximately 2,640 feet of wire to enclose the perimeter of a 10 acre area. You will need additional wire to run from the transmitter to the perimeter and/or for any interior loops, etc.
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