CoolMax PS-124 Deluxe 20+4pin ATX Power Supply Tester w/ SATA Testing Capabilities (20pin / 24pin)

Coolmax PS-124 Power Supply Tester The PS-124 power supply tester is to help you check the ATX power. Just plug and wait, the LED light will show you what you need to know. If the power good signal is too low or too high, it will alarm. If the power output is working, the LED will turn on and a short alarm will alert you that it is working. If the power output fails, there will be no LED light display or alert. It?s as easy as switching a light on and off. Coolmax?s PS series is easy to use, to the point, and accurate.