NomadicArk NA-TS17L RV Swivel Cassette Toilet – Electric FlushThis is a swivel cassette toilet that contains a 4.5 gal (17.2L) holding tank. The seat section moves independently from the base 90 in either direction which is a great space-saver. Just press down on the seat to lock it into a new desired position.Push button operation: Electronic flush with sensor indicators.90 Seat Rotation: Left and right, providing 180 of alignment options.Removable Tank: With warning light and alarm to indicate emptying is required.CassetteA cassette toilet is made up of two parts: a permanently fixed part and a waste tank that is accessible from the outside. The removable waste tank is located under the toilet bowl and can be removed via an access door on the outside of the camper or van. This feature allows you to build a small bathroom without having to worry about plumbing a black water tank into your camper.OperationTo flush this toilet, press and hold the fl