Kohler 14RESAL-200SELS 14,000-Watt Air-Cooled Standby Generator with 200 Amp Whole-House Automatic Transfer Switch 14,000-watt air-cooled home generator automatically starts up when the power goes out Includes 200 amp whole-house indoor/outdoor automatic transfer switch (carb compliant) Fast response--power to your home in 10 seconds; premium power quality; quiet operation 100% corrosion-proof enclosure offers protection from even the harshest seaside conditions Measures 48 by 26.2 by 29 inches; 5-year/2000-hour limited warranty Battery type needed - Group 51