<p>A holding tank with wheels and a convenient retractable handle are just two of the features of this Thetford 32812 C402C Cassette Toilet With Electric Flush built-in bench-style model toilet. The working mechanism in the holding tank is removable so the inside of the tank is easy to clean and maintain. An advanced level indicator display shows the levels in the waste holding tank. Can be installed on the left or right for maximum versatility. Product Features and Specifications: Electric push button flush, Waste holding tank on wheels, LED display indicates when waste tank is full, Integrated no-splash pour spout, Waste tank capacity: 5.1 gallons (19.3 Liters), Flush water tank capacity: 4 gallons (15 Liters), Left hand access. Cassette toilets deliver the best of both worlds: the comfort of indoor plumbing, and the convenience of a holding tank that's accessible from outside the vehicle. No more carrying a holding tank through the vehicle to empty it! Cassettes save space too. To determine whether you currently have a right hand model or left hand model cassette toilet, the waste tank access will either be located on the right side or left side while you are sitting on the toilet. Access is designed to open toward the outer wall of the RV through the outside access door.</p>