Extreme Durability - Every KOHLER 150ERESC generator undergoes rigorous durability and reliability testing, ensuring longevity. The heavy-duty industrial liquid-cooled engine performs exceptionally well during long runs in extreme heat conditions;Smart - You get steady, high-quality power that protects your electronics from damage;Advanced - The APM402 controller with patented software is compatible with optional accessories that let you monitor your system remotely through your PC;Premium Warranty - We've got you covered with 5-year, 2,000-hour protection