This Hongfa power relay is a micro 5-pin, 12VDC hooded relay with a maximum amperage of 35A / 20A. It is a versatile and reliable component that can be used in various applications such as commercial, industrial, and automotive settings. With a control voltage of 12VDC, this relay is easy to integrate into existing systems for fan control, voltage conversion, power transformers, and more. It comes in a pack of 24, making it a cost-effective choice for those who require multiple relays.