Extreme Dog Fence Perimeter Technologies' Ultimate Pro-Grade Package - 1 to 2 Acres (1500') for 1 Dog Includes: 1500 Feet of 14 Gauge eXtreme Brand Dog Fence Boundary Wire, 50 Feet of 16 Gauge eXtreme Brand Twisted Wire, 1 Digital Transmitter, 1 Waterproof Collar Receiver, 1 Set of Long & Short Comfort Contacts, 1 Set of Long & Short Probe Training Covers, 1 Heavy Duty Surge Protector, 10x 11 Gauge Landscape Staples (6 Inch), 6 Waterproof Wire Splice Kits, 150 Boundary Flags, And Professional Phone Support. We Cover All Bases, So ANYONE Can Install With Ease. Number of Dogs: 1 Dog Kit (Add Any Number of Dogs with the Purchase Of Additional Collars - Model: PTPFS-003, Which We Also Sell Right Here On Amazon) Reliable: One of the Very Few Static Correction Dog Fence Systems That Are Manufactured Right Here, in the Good Old U.S.A. Know That You Are Buying Quality Parts in a Quality System That Will Give you 20 Years of Solid Performance, Or More!! Features: Expandable Up To 10 Acres (With Purchase of Additional Wire), 5 Levels of Correction, For Dogs 8-120 lbs., Lightweight Waterproof Collar, Multiple Frequency Selection, Temp Check & Wire Check, Unlimited Dog Capacity (With Purchase of Additional Collars) Coverage Area: 1 Acre Up To 2 Acres (Expandable Up To 10 Acres With Purchase of Additional Wire)