Tekpower TP3005DC, DC Power Supply 30V 5A,Computer Controlled With Direct Input Set Up,Surge Protection,Higher Precision & Lower Ripple 110V or 220V Input, AC Power Cord Included, Like TP3005D,HY3005D Digital Computer Controlled Power Supply with Continuous voltage adjustment from 0 to 30 volts, current from 0 to 5 amps Output Surge Protection for Devices under Powered 110V/220V seletable Input, you can use it in USA or Europe Light Weight and Back-lit LCD digital display 1 year Tekpower Limited warranty