Feature●Perfect for trailers with no on-board battery; The Ultra 3502-7 features over 3,500 pounds of tongue lifting power; Plus, it includes our exclusive Site-Lites night lights to provide powerful after dark illumination●This 2" outer tube jack offers an 18" stroke with a 6" diameter footpad to prevent sinking●12 volt operation & 20A circuit breaker●4 foot, 7-way plug●Manufacturers 2-Year WarrantyDescription Ultra 3502-7 Electric Tongue Jack with 7-way plug, 2" tube, 3,500 lb. capacity.