Features: The thread pitch is 8mm, 10mm, 12mm (which are all inside one shift knob to fit most manual cars). To install, simply twist, loosen, and remove the stock shift knob and replace with this LED shift knob. The LED are powered by an internal battery source which is rechargeable. (In the meanwhile of 30 seconds, the light colors will change automatically). Activates when it detects touch with your hand on the back, providing a soft glow for clear gear position visibility even in dim conditions Compatibility: Fit for most manual Cars vehicles(In reverse gear,there is no lifting or pressing gear knob operation), some Automatic( without buttons and locks) (NOTE: Please check on your car model details to confirm if this item is fitted) Package includes: 1 X Gear Shift knob 1 X USB Cable 1 X Car Charging Plug 1 X Short Rod 1 X Long Rod