Diagnostic Card Motherboard Tester Computer Analysis Networking Tools. Features: Both ISA Bus and PCI Bus Are Suitable Determine Defects by Difference Sounds Coding with Build-in Speaker It Can Diagnosis the Motherboard Signal Which Show the Problem of CPU, Memory, Video Card, Etc The POST Code Display is Made Up of a Dual, Dot Matrix Hexadecimal Read-out That Display\'s Power On Self Test (POST) Status Codes Support the Power Source Working Indicator -- +5V, +12V, +3.3V and 12V (When Indicator LED is on to Indicate Its Respective Power is Fine, Otherwise to Indicate Its Respective Power is Failure.) Fully Compatible with Any Kind Motherboards Which Has the PCI and ISA Bus Slot Self Checking Remote Display Function Dual POST Code Display - User Can Readout the POST at PCB Component and Solder Side. It is Easy to View the POST Code when User Plugs The POST Card in Computer System Recall Previous Post Codes at the Touch of a Button Specifications: Color: As the Picture Size: Approx. 8.9 X 8.3 X 0.2cm (L*W*H) Type: Cable Tester Size: Appro 8.9 X 8.3 X 0.2cm Package: Yes Model Number: Diagnostic Card . Your order will be shipped from abroad so please allow the necessary time of at least 14 work days for delivery due to ongoing delays in postal deliveries globally.