Description: Features: Brand new and high quality. Both ISA bus and PCI bus are suitable. Determine defects by differentiating sound coding with built-in speaker. Recall previous post codes at the touch of a button. It can diagnose the motherboard signal which shows the problem of CPU, memory, video card etc. The POST code display is composed of a dual dot for hexadecimal matrix readouts that display the Power On Self Test (POST) status codes. Support power source working indicator: +5V,+12V,+3.3V and 12V (When the indicator light is on to indicate its respective power is fine, otherwise to indicate its respective power is failure.) Fully compatible with all kinds of motherboards which has the PCI and ISA bus slot Self checking remote display function. Dual POST code display - User can readout the POST at both PCB component and solder side. It is easy to view the POST code when user plugs the POST card in computer system. Specifications: Material: Plastic + metal Color: Green (shown as pictures) Size: 8×8.5cm/3.15×3.35in (Approx.) Quantity: 1 PC (other accessories demo in the picture is not included) Note: 1. Transition: 1cm=10mm=0.39inch 2. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 3. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 X Main Diagnostic Card (no retail package)