Check the listing for details. TekPower TP12001X 120V DC Variable Switching Power Supply Output 0-120V @1A. Condition: New. Listed at 159.95 USD. The TP120001X model is a professional DC regulated power supply from TekPower. This is a highly stable, high quality switching power supply with its output continuously adjustable at 0-120V DC @1 A.You can set up Constant Current. There is also an connector output on the front. This model is specifically designed with low ripple and noise. The unit comes with a large LCD display with back light, providing accurate readout for the voltage and current values. The automatically start air fan makes it work for a long time without over heating. It has a build in fuse protection and comes with basic 1 year USA warranty.Features & Specifications:Adjustable outputs: 0-120V @1 A Variable controls voltage outputsInput voltage: 110VRipple noise: 100 mVProtection: Overload and overheat protectionEnvironment: 0-40C, relative humidity < 90%Size: 15.7 x 10.1 x 7.8 inchesWeight: 13.25 lbsWarranty: 1 yearPackage:TP12001X Power SupplyUser Manual ,Cord and Cable