Purchase Notice:
1.Product has been upgraded to GFM II (2.0 version)
2.The product may not come with installation instructions, if necessary, you can contact the seller to obtain the installation tutorial video.
3.This is a repair or replace only item.
If the product encounters a problem or needs to be returned, please communicate and solve it with the seller first. Items sent back to us without first requesting a return will not be accepted.
4.Manufacturer reserves right to alter block design to expand compatibility. Delivered item may not 100% match pictured item.
In case of upgrading to the appearance and structure, no further notice, the real object shall prevail.