Specifications USB Output 5V 2ARated Voltage 0 1000VRated Current 0 1ARated Power 1000WInterfaces USB RS 232 RS 485Display LCD color screen 4 digit for voltage current power Memory 4 groups M1 M4 The differences between this Power Supply and the R SPS10001SR Power Supply are It has three interfaces USB RS 232 and RS 485 Features 1 High Precision DisplayThe 4 digit LED display ensures a precise output reading with resolution down to 0 01V and 0 001A allowing for accurate performance monitoring 2 Multiple Interfaces for Versatile ConnectivityEquipped with USB RS 232 and RS 485 interfaces this power supply offers extensive compatibility for data processing and programming applications 3 Programmable Power SupplyEnables professional programming functions through compatible software ensuring smooth communication via RS 232 or USB interfaces with the control CPU 4 Advanced ProtectionsIncludes over voltage over current over heat and short circuit protections to ensure safe operations and to prolong the device s lifespan 5 Compact Design for Easy HandlingWith dimensions of 293mm x 188mm x 81mm and weighing less than 3kg this compact power supply is convenient to store and transport Package Included 1 x Power Supply