Solala Intelligent electric test pen, non-contact intelligent digital display electric test pen, electrician zero live wire detection, electrician maintenance induction electric pen Indoor Plug-In Electronic Timer Switch  (Red)

1. Non-contact Inductive Detection & Safe Operation This smart voltage tester pen adopts premium non-contact induction sensing technology, which can detect voltage without directly touching wires and electrical parts. It effectively avoids electric shock risks, short circuit hazards and surface damage during detection. Safer for wall circuit inspection, electrical troubleshooting and daily household power checking, suitable for novice and professional electricians. 2. HD Digital Display & Accurate Data Reading Built-in high-precision sensing chip and clear digital display screen, supporting real-time voltage value display and intuitive data feedback. Compared with traditional indicator light test pens, the digital display design shows more accurate detection results, no misjudgment, greatly improving the accuracy of circuit inspection and fault judgment. 3. Intelligent Zero & Fire Line Identification The inductive electric pen can quickly and automatically distinguish live wire and neutral wire. It supports clear screen display and sound-light reminder for different line conditions, helping users accurately judge wiring faults, wrong connection and open circuit problems. It is an essential tool for household wiring inspection and electrician renovation construction. 4. Sensitive Fault Scanning & Wide Detection Range High-sensitivity induction design supports scanning hidden wall circuits and wire breakpoints, quickly locating power failure, leakage and circuit breakpoint positions. It covers a wide voltage detection range, stable and sensitive induction response, no delay, meeting various low-voltage circuit detection and maintenance needs. 5. Portable & Humanized Practical Design Ergonomic slim pen body, lightweight and non-slip grip, comfortable for long-time holding. Low power consumption design with automatic shutdown function saves power effectively. Compact and easy to carry, perfect for professional electrician maintenance, factory electrical inspection, household daily safety detection and student electrical practice.