Fitments:

1.The thread pitch is 8mm, 10mm, 12mm (which are all inside one shift knob to fit most manual cars)
2.To remove the stock shift knob and replace with this LED shift knob.
3.This speed control knob has an LED built-in and can be activated by simply touching the back, the LED light will stay on for 30 seconds and automatically turn off afterwards.
4.The LED are powered by an internal battery source which is rechargeable. (In the meanwhile of 30 seconds, the light colors will change automatically).
5.A charger is included in this package so you can recharge it with the car cigarette lighter outlet.
6.No switch needed, when you touch it, it will automatically light on.
7.Every time when the light turn on, it will last 30 seconds.
8.Beautiful Luminous line, kind of noble.
9.LED Color: Seven colors
10.Material: ABS plastic+ glass lens.
11.Built-in rechargeable high-quality lithium battery.

( The Compatibility Is Just For Reference.   Please Compare the Knob With Your Original One Before Purchasing. )

Features:
Easy installation. Direct Replacement, no modification is required.
Improves the look and style of your vehicle.
Made of high quality ABS plastics, corrosion resistant
Elegant design and great quality
Great replacement for your old shift knob

Note:
1. Please allow 1-3mm error due to manual measurement. Thanks for your understanding.
2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.