Features: Curving line tester, 18 frequency levels, 9 internal resistance levels, can accurately detect circuit board faults and improve maintenance efficiency. Supports multiple types of circuit board and is easy to operate. Equipped with 2inch display screen, the result is intuitived, clear and easy to read. Small size and portable design, easy to use and store. Quality material, full of durability for long time use. Specifications: Material: ABS Color: Black Size: dedicated model size Model Name: NI210SC Curving Line Tester Screen: 2.0inches Screen Package Includes: 1 Piece Curving Line Tester with Testing Pen & Testing Clip 1 Piece Power Cord note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.