This item is a Sunon 4-3/4" square fan, 1" thick, 12VDC, 2.9W, 3-wires, ball-bearing.It is new, overstock from my closed business.Sunon is one of the small number of brands of high-quality, long-lasting fans.
When I ran a company that built, repaired and distributed computer systems, we found that Sunon fans had very low failure rates.Failures were almost non-existent and were usually due to customer mistakes or abuse.
If you want more pictures or info please message me.