Feature:1. Power tester is a rugged voltage tester for PC power supplies, it can test ATX, BTX and ITX compatible power supplies.2. LCD display can indicate the voltage status, it's quick and convenient for you to check.3. Equipped with +3.3V, +5V, +VSB, ‑5V, ‑12V and +12V leads for monitoring voltage output.4. Using this power tester to test your power, avoiding damage to your expensive computer equipment.5. Battery‑free, easy to use, can be connected to the 20 pin for Molex connector.Specification:Item Type: Power Supply TesterMaterial: Aluminum AlloySupport: 24Pin, ATX 20Pin Interface; for SATA Interface; 8Pin, 4Pin Interface; PCI-E Graphics 6Pin Interface; Floppy Disk Interface; ATE Hard Disk InterfaceInstructions:1. Insert the 24 pin of the power supply and p4, p6 or p8 into the corresponding jacks of the power supply test kit..Package List:1 x Power Supply Tester1 x Manual