ITEM NAME:Red 0-30V 2mA-3A Adjustable DC Regulated Power Supply Board DIY Kit PCB B LJ Specification: Brand new Material: PCB Color: as picture shows PCB size: approx.64*64mm 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% 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. Easy to install and maintain. Package included: 1 x 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! Please allow 1-5mm errors due to manual measurement Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.Including a circuit to limit output current which enables output current to be continuously adjustable from 2mA to 3A. Input Current: Max 3A. Material: PCB. PCB size: approx.64 64mm. Make sure resistance values, diode models and installation direction are correct.