Generac, 20/18KW, LPG/NG, Guardian Automatic Home Stand By Generator, With 200A Transfer Switch, Standard Wi-Fi Remote Monitoring, Generac G-Force Design Engine, Specifically Designed For Generator Use, True Power Technology Is Safe For Sensitive Electronics & Appliances With Less Than 5% Total Harmonic Distortion, Digital Power Management Technology Can Control 2 Central Air Conditioners, Evolution Controller Features A Multilingual, LCD Text Display With Backlit Buttons, Aluminum Enclosure With All Weather, Powder Coat Finish Can Withstand 150 MPH Winds, Quiet Test Self Tests Run At Lower RPM's & Consume Less Fuel, Includes: 200A-NEMA/UL 3R Service Entrance Rated Automatic Transfer Switch, 12" Flexible Fuel Line, & Direct To Dirt Base, Uses 12V Battery, Is Not Included, Battery Requirement: Group 26R, 12V & 525 CCA Minimum, For Mobile Link Remote Monitoring Use TV #169-349, Not Included, 5 Year Limited Warranty.