Voltage: 0~ 30V Current: 0~ 5A Fixed Output: 5V, 3A It adopts SMD adhesive sheet element technology Liquid crystal displayed voltage and current Liquid crystal displayed voltage and current regulation Wanton choice of green, yellow liquid crystal back light Automatic conversion of stable voltage and current Multi-loop type high precision voltage regulation Stepped current regulation Automatic work tracking by series or parallel connection means Can be full-load continuous operation With expansion outlet terminal