Features: This intelligent breakpoint electrician electroprobe can not only carry out linedetection, but also have the function of induction large-screen electric pen test, which meets various use requirements. Advanced induction technology can accurately detect parameters such as current, voltage and resistance, and provide high-precision measurement results. Equipped with a large screen display, the measurement results are displayed intuitively, which is convenient for users to observe and analyze. Multifunction breakpoint detection: In addition to the conventional line detection function, it can also quickly locate and disconnects the fault point by sensing the large-screen electric pen test function, thus improvingthe maintenance efficiency. Portable pen design, easy to carry, simple to operate, suitable for home use or professional electrician for maintenance. It is suitable for home users to carry out dailycircuit detection and troubleshooting, which is of great significance to ensure the safety of home circuits. Electrician maintenance personnel: It is suitable for electrician maintenance personnel, and can provide accurate measurement results and quick breakpoint positioning function to improve work efficiency. Specifications: Material:ABS,Electronic Component Size:Approx.19x4x3cm/7.48x1.57x1.18inch Note: .Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. .Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings. Package includes: 1x Electric Tester Pen