Description: High quality DC regulated power supply whose output voltage is continuously adjustable from 0 to 30V. Including a circuit to limit output current which enables output current to be continuously adjustable from 2mA to 3A. Provide current limiting, LED display, over load and short circuit protection. Specification: Material: PCB Input Voltage: 24V AC Input Current: Max 3A Output Voltage: 0-30V (continuously adjustable) Output Current: 2mA-3A (continuously adjustable) Output Voltage Ripple: Max 0.01% Material: PCB PCB size: approx. 84 x 84mm/3.3 x 3.3inch Package Includes: 1 Piece Power Supply DIY kit Note: Please install the resistances and diodes according to PCB diagram. Make sure resistance values, diode models and installation direction are correct. Please install other components from small to large, low to high. The picture of testing process is just for reference, pls in kind prevail! Due to the quality differentiation of monitors and lighting effect, the picture may not reflect 100% the actual color of the item Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid