This power supply tester uses plug and play design, which is easy and convenient for you to use. With LCD digital display design, this power supply tester can easily indicate the status of voltage. It can test your power supply and avoid damage to your expensive computer equipment with this power supply tester. It is constructed of ABS material. The length of this product is 8.9cm, the width is 6.37cm and the height is 1.75cm. The device is very suitable for computer PC. Item Name: Power Supply Tester Material: ABS Supports: Support 24Pin, ATX-20Pin Interface Support SATA Interface Support 8Pin, 4Pin Interface Support PCI-E Graphics 6Pin Interface Support Floppy Disk Interface Support ATE Hard Disk Interface Test Voltage: 3.3V, -12V, 12V1, 12V2 + 5 VSB, + 5V, and PG Time Features: Multifunctional, LCD Digital Display, Plug and Play Size Details: L: 8.9cm/3.5", W: 6.37cm/2.51", H: 1.75cm/0.69"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Power Supply Tester