VC1018 12V-1000V Touch-Free Electric Sensor Test pen digital AC voltage meter Summer detector with LCD screen. With flashlight or AC voltage induction or power outage detection or zero line recognition or high and low sensitivity. Breaking point detection: detection along the line, where there is no breaking point, there is a sum signal full grid, where the breaking point is only 2 grids and no summer. High precision sensor pen: High quality PC protection, strong and not easy to break more precise detection, sensitive or stable or intelligent. High and low sensitivity: Press the "S" button to adjust high or low sensitivity, the green screen is low sensitive and the yellow screen is highly sensitive. Touch -free detection: When the electrical test pen detects the nearby gear voltage, the screen will show red and full signal, and a quick beep is heard. Specification: Model: VC1018. Material: ABS. Automatic shutdown: 5 minutes (no function). Battery: 2 x AAA (not included). AC Voltage Area: 12-1000V AC50 or 60Hz. Flashlight: Yes. Zero line test: Yes. Detecting power outage: Yes. Sensitivity test: Yes. The package contains: 1 x test pen.