Power Control Units descriptions We use high-quality raw materials, all materials are very suitable for the product, please rest assured to buy. Led 20/24 Pin For Psu Atx Sata Hdd Pc / Computer - Power Supply Tester /. Features: 100% New and High Quality The Power Supply Tester is a Robust Voltage,tester for PC-Power Supply,protect Your Computer from Damage Voltage Source:20/24PIN (ATX Connector) Green Indicator Light=Power is OK VOLTAGE TEST:+12V,-12V +5V,-5V +3.3V, 5V STAND BY(SB), POWER GOOD(PG) Easy Use ,the Operation Instruction on the Face of Tester Connectors: Floopy,HDD,CDROM,SATA,4PIN(P4),8PIN,6PIN Specifications: Size:90*70*28 Mm Net Weight:74 G Package Weight:84 G Packing Content: 1 X Power Supply Tester. Products number : SOMONO156734