Jameco Reliapro DDU180100H4551 AC to DC Wall Adapter for Transformer Single Output, 18V, 1 Amp, 18W, 3.3" x 2.2" x 1.9" Size Go to amazon.com Related posts The 9 best transformer 18v for 2022 FeatureConnector Type: Cylindrical FemaleConnector Size: 2.5mm x 5.5mmPolarity: Center PositiveDimensions: 3.3" x 2.2" x 1.9"Cord length: 6' Description18 Watt AC/DC Unregulated Linear Wall Adapter with 18 Volts at 1 Amp. Made in Taiwan. Jameco Reliapro brand products.