DE20 Size: 5 Mile Features: -Fence charger.-Ul-listed.-5 mile: 0.05 joule output.-5 mile controls: up to 1 acre.-20 mile: 0.2 joule output.-20 mile controls: up to 1 to 5 acres. Options: -Available in 5 mile and 20 mile sizes. Color/Finish: -Color: Black. Specifications: -110v plug-in. Dimensions: -Weight: 1.3 lbs.-5 mile dimensions: 3" H x 7.25" W x 5.5" D.-20 mile dimensions: 3" H x 7.5" W x 5.5" D. Warranty: -1 year warranty.