An excellent quality detector and voltage detector. The device's wide sensitivity range increases its versatility, additional lighting allows for operation in dark and hard-to-reach places, and visual and audible signals facilitate operation. This compact device is easy to use and store. #13#10#13#10#13#10Voltage measurement range AC 12 - 1000V#13#10Frequency 50-60Hz#13#10Alarm Sound and LED#13#10Flashlight White LED#13#10Automatic power off Yes#13#10Low battery notification Yes#13#10Live measurement Depends on signal strength#13#10NCV intensity Automatically selects from 3 frequencies (low, medium, high)#13#10NCV intensity indication The device uses a sound signal of different frequencies and a LED lamp of different colors to identify low, moderate and high sensitivities#13#10Operating temperature 0 - 40°C#13#10Storage temperature -10 - 50°C#13#10Usage altitude <2000m#13#10Protection level CE. CAT III 1000V / CAT.IV 600V#13#10Dimensions 156x20x20mm#13#10Weight about 45g#13#10