Features: The Smart not Contact electric Tester ensures safe electrical detection with 0 physical wire contact, featuring live/neutral wire differentiation and adjustable sensitivity for precise hazard prevention. Equipped with a color screen, hearable /visual alarms, and an integrated flashlight, this compact plastic tool delivers versatile functionality for accurate electric measurement in diverse conditions. Ideal for electricians, enthusiasts, and homeowners seeking stable electrical diagnostics without compromising safety during wiring inspections or maintenance tasks. Effortlessly identify live circuits, troubleshoot outlets, or verify power shutdowns in dimly lit residential spaces, commercial site , or industrial environments. Engineered with ergonomic durability, its auto ranging sensitivity adapts to low/high electric scenarios while the fast alarm systems prioritizes user awareness during critical electrical assessments. Specifications: Component : plastic Length: about 158mm/6.22inch Width: about 24mm/0.95inch Battery: 2x1.5V(Not included) Package Includes: 1xIntelligent Induction Test Pen note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.