Description: This is a perfectly functional for DC regulated power supply DIY kit, the output voltage range is 0-28V and the output current is 0.01-2A.. You can use an encoder to easily adjust the output; it can also be used as constant current source. Features: LCD display the values, easy for reading. Output range: 0-28V voltage and 0.01-2A current. Adopts encoder to adjust the output, convenient for use. Memory function: output the preset voltage and current when powered on. With short-circuit for protection and current-limiting for protection. All are through hole components, easy to install. Specifications: Display: LCD Input Voltage: AC 24V (or for DC 30V, change by yourself) Output Voltage: 0-28V Adjustable Output Current: 0.01-2A Adjustable Stepping Value: Rotate the Encoder Fast: 0.5V, 0.05A; Rotate the Encoder Slowly: 0.1V, 0.01A PCB Board Size: 82 * 66mm; 80 * 55mm Package Size: 15 * 12 * 2.5cm / 5.9 * 4.7 * 0.98in Package Weight: 170g / 5.82oz Package include: 1 * Adjustable for DC Regulated Power Supply DIY Kit