This is a simple 30x30 Fan with clip mechanism designed for the E3D V6 hotend - Super convenient and robust. Simply clip it on and you're ready to print.
The fan on this unit is 12V - please make sure your printer setup is a 12V System.
The mount piece is manufactured from an injection moulded hardened plastic.
The wire for this fan is just a positive (red) and negative (black) and is around 15cm long. You will need to extend this wire as you see fit.