Welcome to our store! This desktop CPU tester is designed for Intel LGA1155 interface motherboards, perfect for your daily office needs. It tests for open circuits and short circuits in the bus signal between the motherboard's CPU socket and the northbridge. Made from durable PCB material for long-lasting use. The CPU test card uses LED indicators to help repair and troubleshoot computer motherboards, preventing CPU damage during the process. Please note: Due to varying motherboard designs and chipsets, some signals may appear differently. Troubleshooting and maintenance personnel should use the same motherboard for accurate fault assessment. Material: PCB Battery Type: CR2032 button battery (not included) Applicable: For Intel LGA1155 interface motherboards Package Includes: 1 x Desktop CPU Tester 1 x User Manual Your satisfaction is our top priority. We are committed to providing you with the best service. If you encounter any issues upon receiving the product, such as damage or incorrect quantity, please contact us immediately, and we will provide you with the best solution!