Digital display: This power module is designed with a screen that makes you can easily read and use. Useful tool: The regulator module can stepdown and stepup the voltage, meeting your different needs. Safe to use: This stepdown module features multiple protection methods, so it is reliable to use. Easy to use: This power regulator module is designed with a knob, so you can easily adjust the voltage. Wide range: The input voltage range of this power module is 5 to 30V, so it can be used in many kinds of circuits. Specification: Material: ABS. Color: Show as picture. Size: Show as picture. Note: There might be a few color distortions due to different resolutions. There might be a slight error due to different hand measurements. Package Includes: 1 Piece Module.