1. JITONGXUE CT-1 inductor coil tester, innovative and practical electromagnetic induction, simple operation, fast PCB fault troubleshooting. 2. High stability, high precision. 3. The green light indicates that the inductor is working properly. 4. Quickly and accurately locate the fault point of the mobile phone motherboard or other BGA boards. CT-1 Motherboard Coil Tester Inductor Detector Tools for PC Phone Motherboard Repair Electromagnetic Induction Quick Fault Check CT-1 inductor tester can quickly test the functions of mobile phone motherboard components/electronic BGA board. The green light indicates that the inductor is working properly. CT-1 Motherboard Component Inductor Coil Tester quickly detects and locates the IC fault point of the mobile phone motherboard, which greatly improves the efficiency of mobile phone repair. Color: Blue Material: ABS Package Contents: 1 * Inductance tester Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.