The TDC DA-30-24 Class 2 Power Transformer is a black transformer with a 6 ft cable length and a 24V output voltage. Manufactured by Tdc Power Products in China, this transformer is designed to provide 1.25A of power with a 30VA rating. It features a barrel jack output and is suitable for use in various consumer electronics applications, making it a versatile choice for powering devices that require a 24V input.