- Efficient contactless voltage testing: uses NCV sensor technology and stable inductive sensitivity to provide accurate readings across a wide AC range of 12-1000V, enhancing safety and versatility. - Comprehensive voltage insights: visual and audible alerts accompany an LCD percentage display to track voltage changes, illustrate frequency-voltage relationships, and deliver color-coded warnings for quick interpretation. - Flexible adjustment: adjustable sensitivity and auto-voltage recognition support reliable results, with low-voltage compatibility and an intuitive bar-graph strength display. - Safety assurance features: over-voltage alert system and double-insulation design protect users during electrical tasks and help prevent injuries. - Use scenarios: - Quick outlet or plug checks in residential settings. - Circuit maintenance or troubleshooting in electrical panels. - Appliance installation or servicing where non-contact sensing reduces risk.