Ask yourself this (before buying) – had you even heard of Hatteker as a make?
Why doesn’t it have a web site of its own?
Why does it sell on Amazon via a company calling itself “Battersea Riser”? Pretending to be British?
The REAL Business Name: Yiwu Daojian E-Business Co Ltd CHINA.
How do you get spares? How reliable is the guarantee?