Aiposen Pc Motherboard USB & PCI Analyser Diagnostic Card Tester Laptop Diagnostic Card can diagnosis the motherboard signal which show the problem of CPU, Memory, display card and so on LED displays shows diagnosis result of motherboard. It can save time and money Dimension of cards: L8.5 x W7.0 x H1.4cm Package included:1 x PC Diagnostic Card, 1 x USB cable,1 x instruction book