Voltage tester for PC-power supply, preventing your computer from damage.
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