1. LCD display: The power tester adopts a LCD display, which can clearly display various parameters of the power supply, such as voltage, current, power, etc., making it convenient for users to intuitively understand the working status of the power supply. 2. Portability: The power tester is compact in design, compact in size, and easy to carry. Whether , in the office, or outdoors, power testing can be conducted anytime and anywhere. 3. Easy to operate: The power tester has a simple and easy to understand operating interface, which can be easily used by even non professionals. Simply connect the tester to the power supply to quickly obtain relevant information about the power supply. Product Name:Power tester Voltage input: 20/40PIN (ATX power supply) Voltage detection:+12V -12V+5V+3.3V 5VSB 12VPG Connection port: Floppy HDD COROM 4pin (P4) 8pin (Dual CPU) 6pin (PCI-E) Support 24Pin, ATX 20Pin interface Support interface Support 8Pin, 4Pin interface Support PCI-E graphics 6Pin interface Support the floppy disk interface Support ATE hard disk interface Notice: Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Please check as much as possible to make sure the item is what you need. Colour:Black Material:Metal Package Contents: 1 tester Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.