Electromagnetic Induction Accurate Positioning: This tester uses advanced electromagnetic induction technology to accurately locate coil faults on motherboards, enabling quick troubleshooting and efficient finding of coil issues High Accuracy Testing Tool: Utilizes professional stage technology with a high accuracy coil and PCB board, ensuring accurate and stable testing for and computer motherboard repairs Green Light Direct Fault Display: The built in green light shows the testing condition, lighting when the coil is normal and turning off when abnormal, reducing the chance of misjudgment during diagnostics Single Button Fault Source: Supports long press to begin quick locating mode, rapidly pinpointing the problem area of the coil, making it ideal for electronic repair, hobbyists, and professional technicians Simple and Portable Design: Features a single button function for immediate use, making it easy and to operate, which significantly improves the efficiency of repair and locating tasks, Manufacturer: TFAOYS