: after strict testing, it is ensured to be stable in various environments, and it is not easy to break down, thus improving Ergonomic design: ergonomic button shape, bringing comfortable grip, suitable for all kinds of hand users to operate Selected from with good wear resistance and fall resistance, extending service life Sensitive touch: the Switches button is sensitive and easy to press, which can quickly starts or stop the Vacuum Cleaners and improve the user Simple installation: user-friendly design, quick replacement without professional tools, and quick, saving valuable time