Vkmaker 0-30V 2mA - 3A Adjustable DC Regulated Power Supply DIY Kit Short Circuit Current Limiting Protection We are factory directly selling, if you have bigger orders, please feel free to contact us, we will give you much better prices! Including a circuit to limit output current which enables output current to be continuously adjustable from 2mA to 3A Easy to install and maintain Output Voltage: 0-30V ;Output Current: 2mA-3A (continuously adjustable) Best packing and fast delivering.