If you are looking at china, take a look at this: https://www.aliexpress.com/item/32546333543.html
You want the GDK series and not GDZ.
https://ae01.alicdn.com/kf/HTB1eI0HP...0q6zEwXXa9.jpg
Buy something you know the real specs, something with datasheet is always a big plus!: http://www.pdjinc.com/GDK80-12Z_2_2_manual.pdf