Features:
This 20/24 Pin PSU ATX BTX ITX PC Power Supply Tester With LCD is a powerful testing equipment for PC power supply.
It can detect ATX, BTX, ITX computer power supply and avoid damage to your expensive computer equipments.
Simply plug the tester in to your power supply's 20/24 pin female connector and the LED lights will indicate the actual status of your power supply and the LCD will show the unnormal voltage.
The SD power supply tester is a robust voltage, tester for PC-power supply, ATX . BTX and ITX compliant, power supplies can be tested. LCD's indicate the status of voltage.
The PC / SPS is suitable for the ambitious hobby user, as well as for a quick functional check in specialized trade.

Specification:
Voltage Input: 20 / 40PIN (ATX power supply)
Voltage Detection: +12V, -12V, +5V, -5V, +3.3V, 5V Stand by (SB), 12V Power Good (PG)
Connection Port: Floppy, HDD, CDROM, SATA, 4pin (P4), 8pin (Dual-CPU), 6pin (PCI-Express)
Shell Material: Plastic
Package Weight: 100g
Quantity: 1pc

Operation:
1. Plug power supply 24 PIN and P4 , P6 or P8 into the corresponding jack of the power test suite    
2. Power on the supply of power, will hear "DuDu" ring , if no flicker then the power supply output voltage is normal    
3. If a certain voltage signal was not detected, or the detected voltage value over the normal, will issue a "DuDu" long buzzer.if the corresponding voltage value or PG flicker too, then the power is failed    

Package included:
1 x LCD HDD Power Supply Tester

Note:
Do not use hot plug when using, or there may be some discrepancies.