Safe, contactless voltage testing with a wide AC range - Efficient measurements you can trust: Uses NCV sensor innovation and stable inductive sensitivity to deliver accurate, contactless voltage testing across 12-1000V AC. Designed to enhance safety and versatility in daily electrical tasks. - Clear voltage insights at a glance: Delivers visual and audible notifications together with an LCD percentage display to track voltage changes. Shows frequency-voltage relationships and uses color-coded warnings for quick interpretation. - Flexible adjustments for reliable results: Includes sensitivity adjustment and auto-voltage recognition for easy use across different circuits. Low-voltage compatibility is supported, with an intuitive bar-graph strength display to indicate measurement reliability. - Strong safety design you can rely on: Features an over-voltage warning system and reinforced double insulation to help protect the user while maintaining dependable performance in varied environments. 2-3 practical use scenarios - Household electrical checks: Quickly verify whether outlets and wiring are energized before work on lighting circuits or appliance installations, without direct contact. - Electrical panel and equipment maintenance: Monitor voltage changes in panels or equipment assemblies, using audible/visual alerts to identify abnormal readings and timing for safe intervention. - Field inspections and on-site service: Perform safe, non-contact voltage tests in construction sites or maintenance jobs where quick, reliable readings are required across different equipment and configurations.