Dr.meter 30V/5A DC Bench Power Supply Single-Output 110V/220V Switchable with Alligator Clip included, US 3-prong Cable,PS305DM Adjustable outputs: 0-30V and 0-5A Variable controls for both current and voltage outputs Automatic cooling fan, overload and short circuit protection Can be operated as constant current or constant voltage source Full one year warranty All metal construction, compact design Alligator to Banana and AC Power Cable Included