100% brand new and high quality Features: It is recommended to use the recommended preamp power supply or large brand power supply. Sometimes, overvoltage will occur when using low-quality power supply, and the resulting damage will be borne by customers. The input voltage should not exceed 55V, it must be DC, not AC. Power module only, other accessories demo in the picture are not included. Specification: Size: app.7.9x4.3x4.3cm/3.11x1.69x1.69in Color: As shown in the pictures Optional Style: 1,2,3 Quantity: 1 Pc Note: No retail package. Please allow 0-1cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Contents: 1 x Power Module