PetSafe | Smart Dog Basic Containment System (Sd-2000)

This Affordable Model Offers Superior Performance Over All Other Replaceable Battery Systems On The Market! Ideal For Yards From 1-4 To 5 Acres Compact, Lightweight (2.5Oz) Water-Resistant Collar Operates On A Long Life 6-Volt Battery Features Run-Through Prevention, Progressive Correction Levels And Standard Lightening Protection Includes 500 Of Boundary Wire</P