Features: Non-contact AC voltage detection.Low battery indication. Low-sensitivity mode for uncovered lines detection; high-sensitivity mode for hidden lines detection, such as in wall and under earth. Convenient spotlight design for easy testing in dark environment. Auto power off if there is no any operation within 5 minutes. Designed to international safety standard CE CAT.II 1000V. Specifications: Brand: Bside Model: AVD06 Color: 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*1.3inch Weight: Approx. 101g / 3.6oz Package List: 1 * Non-Contact Voltage Detector Light flash and alert beeper sounds if identify AC voltage existence Automatic or manual testing mode to select Spinning the sensitivity adjusting knob to adjust the sensitivity freely in manual mode Smart voltage strength detection: automatic light up green, yellow, red LED lamp to indicate low, moderate or high voltage existence Distinguish zero/live wire according to the sensitivity