Description: Features: 2 digits display, easy and quick to install and has good stability. It is a great tool for notebook computer maintenance. Support Interface: Support Mini PCI, Mini PCI-E, LPC bus interface. Let you know error of your laptop without opening it with 25+11pin printer port. Easy Use: When the diagnostic card works, it only needs to be connected to one of the interfaces, and the remaining two interfaces do not need to be connected. Indicate exactly what is wrong with your notebook in just seconds. Material: It uses a four-layer PCB board design to make the signal more stable and can work for a long time. Tantalum capacitors provide a more reliable power supply for the entire product. Portable Size: Best to use at office or Home, mini size for easy carrying. Great for IT enthusiasts and engineers to test and repair computer. Specification: Material: PCB Color: Yellow Size(LxWxH): About 51x30x7.5mm/2x1.18x0.3inch Package includes: 1pc x Laptop Diagnostic Card Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 1-2 cm differences due to manual measurement.