Voltage Tester Realtime noncontact voltage detection from 12V to 300V, enabling quick locating of circuit faults and clear identification of neutral or live wires with dependable results. Contactless testing with NCV sensor technology and double audiovisual alerts, providing safe and reliable voltage checks for electricians. Compact, portable design for easy handling and storage, suitable for detecting voltage across different electrical systems with consistent performance. Advanced circuit protection includes prevention of live circuit through a variablefrequency buzzer and automatic voltage recognition, delivering reliable use with enhanced insulation safety for various applications. Specifications and features Voltage range: 12V to 300V Detection method: contactless NCV sensing Alerts: audio buzzer and visual indicators Design: compact and portable for easy transport and storage Safety: automatic voltage recognition and enhanced insulation safety for diverse applications Use scenarios Residential electrical work: quickly verify outlet and switch voltage, locate circuit faults, and distinguish live from neutral wires during installation or troubleshooting. Onsite electrical maintenance: inspect control panels, distribution boards, and equipment enclosures to ensure safe voltage levels before servicing. DIY projects and temporary testing: check power strips, extension cords, lamps, and other household devices for proper voltage before use.