Proudly Australia's own brand. National Bidet was built with the Australian consumer in mind. Our bidets are Australian Watermarked and Certified to ensure high standards of safety and quality. The National Bidet systems have all the iconic features below, PLUS: Interchangeable Colour Night Light - A built-in light that can be helpful for use during night time trips to the bathroom, a one button wash function, fast heat, advanced self-cleaning nozzles and a self-diagnosis function, a . Includes a 2 year manufacturer warranty. 'U Shaped' Seat - A: 515mm or above C: 345mm or above, B: 135mm - 195mm D: 440mm - 490mm