The Computer Control System optimises performance, ensuring that the brush is always at the correct height for ease of use and long carpet life. It also protects the machine, for example by shutting d blockage. Other innovative and practical features include cassette style brush roller removal and an integrated wand for extended reach. The SEBO AUTOMATIC X7 Extra features an extended reach hose sys performance motor, the Computer Control System and the efficient air flow design combine to give outstanding cleaning results - which is why SEBO regularly comes top in independent tests. Made in Ger constructed from the highest quality materials. Every SEBO vacuum cleaner is fully tested before it leaves the factory, so that you can be confident that in buying a SEBO, you are buying the best.