This is an axial fan, small 3010 size, that means 30mm x 30mm and 10mm thick
This size of fan is commonly found on E3D V5 style 3d printer hot ends (and perhaps others) to cool the cold-end heatsink (bracket for such is not included, this is just a fan).
12 Volts DC, current rating and other specs vary batch to batch, if it’s important, ask.
Brand may vary from that shown.
Wires may have connector or be bare tinned.
Measures approx 30mm wide, 30mm high, and 10mm thick.
The mounting holes are 3.5mm diameter and spaced 24mm apart.
