Description Adopts Humanis Pen Clip Design, This Non-Contact Electric Pen Features Novel Appearance, Stable Performance, Safe And Easy Operation, Low Power Consumption, High Sensitivity, Etc., Special For Electricians In The Detection Of Household Lines. Features: Non-Contact Ac Voltage Detection: More Convenient And Safer To Detect Voltage, Excellent Ncv Detection Probe Ensures Quick Response . High And Low Sensitivity Switch: Switching Between High Sensitivity (12~1000V) And Low Sensitivity (48~1000V) By Pressing The Green Button. Audible Alarm , Bright And Screen: Once The Ac Voltage Is Detected, The Signal Indicator Will Light Up, The Analog Bar Will Increase Or Decrease, And The Beep Sound Will Appear. Flashlight Function: The High Brightness Led Flashlight Is Convenient To Use At Night Or In Dark Environment. Low Power Consumption Energy Ion: Powered By 2 Aaa 1.5V Batteries (Not Included), And It Has A Low Power Indicator To Remind You. Auto Power-Saving Shutdown: The Test Pencil Automatically Shuts Off If There Is No Operation And Detects No Voltage Signal Within 3 Minutes. Features: Material: Abs Security Level: Cat.Iii 1000V / Cat.Iv 600V: Ce Alternating Voltage: 12~1000V, 50/60Hz Working Temperature: 0 ~ 40 Storage Temperature: -10 ~ 50 Humidity: 95% Elevation: 2000M Power Supply: 2*1.5V Aaa Battery (Not Included) Item Size: 168 * 26 * 21Mm / 6.61 * 1.02 * 0.83In Item Weight: 33G / 1.18Oz Package Weight: 55G / 1.98Oz Package Size: 20.7*9*3Cm/8.15*3.54*1.18In Packing List: