Portable & Lightweight Design: With compact dimensions of 76 13 8mm, this circuit tester is easy to carry and use in various work environments, making it ideal for mobile repair technicians who need flexible on site servicing User Friendly Interface: Featuring a clear display and intuitive button layout, this motherboard tester allows both beginners and experts to operate efficiently, perfect for training centers and enthusiasts learning electronic repair Precisely Fault Detection: This 5V mobile repair tester utilizes advanced electromagnetic induction technology to quickly identify capacitor and inductor faults on electronic motherboards, ensuring accurate diagnostics for professionals in phone repair shops and electronics labs Versatile Application: Beyond smartphone motherboards, this 5V diagnostic instrument can tests various electronic devices ' circuits, multifunctional for technicians handling repair projects Electronic Components: this phone repair diagnostic tool maintains stability during prolonged use, offering stable for professional workshops with heavy daily usage demands, Manufacturer: Whoasyst