Widely compatible - Widely compatible with Dyson V15, V10, V11, V8, V7, V6 vacuum cleaners. Release your finger - lock and unlock the on/off button, hold the on/off button while sliding the switch. Fixes an issue where the power button must be pressed continuously when using acordless vacuum cleaner. One Step Control - Unique new engineering allows you to secure the power button by adjusting the shift clip. Convenient and easy to use. You can check the status of the vacuum cleaner by sliding the switchon/off to keep it on/off while leaving enough room for your fingers to easily grasp the vacuum's trigger. STYLISH DESIGN - Small and lightweight, there is no extra burden on the vacuum cleaner, and the high quality durable plastic makes it more stable to use with your precious cordless vacuum cleaner. Free your hands and make your tasks easier. Control the locking and unlocking of the on/off button, hold the on/off button while sliding the switch. Fixes an issue where the power button has to be pressed continuously when using a vacuum cleanerwireless. Beveled insert V7 / V8.