Professional AC Voltage Detector with Non-contact Test Key features - Voltage sensitivity ranges from 12V to 1000V AC for versatile testing of common and higher voltage systems. - Non-contact detection allows you to check for live voltage without contacting conductors, reducing risk during inspection. - Audible sound and visual light indicators provide clear, immediate confirmation of detected voltage even in dim or noisy environments. - Small and compact pen-shaped design for easy carrying and one-handed operation, convenient in pockets, tool bags, or on a belt. What this product solves - Quick confirmation of live circuits without disassembly or direct contact. - Simple, fast checks to determine whether a circuit or component is energized before proceeding with maintenance or installation. - A portable testing tool that fits easily into daily work routines for electricians, technicians, or DIY users. Use scenarios - Residential or commercial outlet and switch checks: verify whether a receptacle or wall switch is energized before performing repairs or replacements. - Lighting and extension cord troubleshooting: determine if a fixture, cord, or connection is live to isolate problems quickly. - On-site electrical checks: identify energized lines or circuits when working in equipment rooms, service panels, or during installations.