1.Accurate Voltage Detection: Realtime voltage detection from 12V to 300V ensures reliable readings for multiscene electrical diagnostics and neutral live wire identification with precision LCD enhancing usability and efficiency 2.Electrician Safety Assurance: Features contactless AC detection using NCV sensor technology and provides double audiovisual alerts for enhanced user protection 3.Efficient Voltage Detection: Delivers efficient voltage detection through a versatile and adaptable design, ensuring reliable performance with electrical panel compatibility and multifunctional tool integration for varied applications 4.Enhanced Safety Features: Equipped with variablefrequency buzzer and insulation safety design to ensure user protection while testing live circuits effectively and recognizing voltage automatically for both professional and consumer usability