ITEM NAME:Red 0-30V 2mA-3A Adjustable DC Regulated Power Supply Board DIY Kit PCB B Gw.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.