Features Simple operation, contactless AC voltage detection. Convenient projector design for easy testing in dark environment. Intelligent Voltage Intensity Detection - Automatically turns on green, yellow, red to indicate low, moderate or high voltage. Selectable mode - Auto or manual test mode to select. Rotate the sensitivity adjustment knob to freely adjust the sensitivity in manual mode. Practical indication, low battery indication. A light flash and an alert beep sound if the existence of an AC voltage is identified. Good working performance - Low sensitivity mode for uncovered line detection; High sensitivity mode for line detection, like in wall and under ground. Distinguish 0/live wire according to sensitivity. Auto power off if there is no operation within 5 minutes. Specifications: Model No.: AVD06 Colour: black. AC Voltage Range: 12V~1000V (Manual Mode); 48V~1000V (Auto Mode) Frequency: 50Hz/60Hz. Battery: 1 x 9V 6F22 battery (not included). Size: approx. 173*48*34mm/6.8*1.9*1.3 inches Weight: approx. 101g/3.6oz Package list: 1 x non-contact voltage detector. Package List