- Reliable non-contact voltage testing: Adopting NCV sensor technology and a high-sensitivity inductive probe, it provides accurate voltage detection without contact while supporting a wide AC voltage range of 12-1000V. - Advanced user guidance: The tester features audio-visual prompts, provides accurate LCD percentage data, correlates frequency-voltage mode, and delivers instant safety feedback through color-coded risk levels. - Intelligent voltage analysis: Ensures seamless compatibility with low voltage via adjustable sensitivity and automatic voltage recognition, and shows intuitive voltage intensity with a bar graph for efficient monitoring. - Safety assurance: Equipped with an overvoltage alarm system and double insulation design to protect users and provide reliable protection during electrical work. - Use scenario: Check outlets and switches in residential wiring to verify voltage presence quickly and safely before performing any work. - Use scenario: Inspect panels or electrical cabinets in commercial/industrial settings to monitor voltage levels and assess risk during maintenance or troubleshooting. - Use scenario: During installation or repair of appliances, monitor voltage intensity and receive immediate safety feedback while working near live circuits.