Description brand new and high quality Feature: 1.Power supply breakout board, with ADJ adjustable voltage knob, supports 3.3V, 5V, 12V and 1.8V-10.8V (ADJ) output voltage. 2.The voltage output terminals of the power expansion board correspond to each screw terminal. 3. At the same for time, the panel is also equipped with an acrylic for case kit for easy to use. 4.for 3.3V: STM32 MCU, network communication equipment, such as Wi-Fi Bluetooth-compatible and other devices, generally for microcontrollers, and some low-power modules, etc. 5V: Raspberry Pi, Banana Pi, Tinker Board, for Nano Pi, USB interface, etc. 5.for 9V: motor drive, display driver module, etc. 12V: motor drive, LED light, vehicle equipment with power requirements less than 24w, etc. Specifications: Material: ABS Size: approx.99x60mm/3.9x2.36in Color: As pictures shown Quantity: 1 Pc Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not 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 Includes: 1 x 24Pin Regulator (other accessories demo in the picture is not included.)