Accurate Voltage Detection - Real-time voltage detection from 12V to 300V provides reliable readings for multi-scene electrical diagnostics and neutral live wire identification, with a high-precision LCD for clear visibility. Safety and Detection - Contactless AC detection using NCV sensor technology lets you check circuits without direct contact. - Double audio-visual alerts enhance user protection during voltage checks. Efficient and Versatile - Adaptable design that supports electrical panel compatibility and multifunctional tool integration for varied applications. - Designed to perform reliably across common electrical tasks without changing tools. Enhanced Safety Features - Variable-frequency buzzer and insulation safety design help protect users while testing live circuits. - Automatically recognizes voltage, supporting both professional and consumer usability. Use scenarios - Electrical panel maintenance and wiring verification: quickly confirm phase and neutral live wires before beginning work. - Troubleshooting outlets, switches, and appliances: perform fast non-contact checks to locate live circuits and identify potential issues. - Installation and upgrade projects: verify circuits during new installations or remodeling to ensure safety and correct wiring before servicing equipment. This product delivers real-time voltage readings, robust safety alerts, and versatile compatibility suitable for professional electricians and informed consumers.