ITEM NAME:Multi-function One-line Electronic Electroscope Digital Display Inductio WNJ Descriptio n Description: 1. Easy To Operate. 2. Brand New, High Quality. 3. Check General Electrical Products, Electronic Leaks And Polylines. 4. It Is Very Suitable For Home Use And Is Very Convenient When Checking Holiday Lights. 5.Item Checks The Wires And Tells You Which One Is Hot (Fire) And Which Is Cold (Ground), And Incredible, No Battery. 6. Test Range: 12~250V AC DC How To Use: This Product Is Suitable For Direct Detection Of 12V-220V AC And DC Indirect Detection Of Zero Line, AC Phase And Detection Line Breakpoint. Voltage Detection: The Last Number Is The Voltage Value. 2. If The Display Value Is Not 70%, It Means Lower Value High Value. 3. When Testing The DC Voltage, Touch The Negative Terminal. 4. Inductors Can Be Used When Testing Projects Below 12V 5. Must Be Grounded Or Zero When Testing The Project Induction. Specifications: Material: Plastic, Metal Color: Yellow Size: 125*17*25mm Package Included: Electroscope*1 Note: 1.Due To The Manual Measurement And Different Measurement Methods, Please Allow 2-3mm Deviation. 2.Please Be Reminded That Due To Lighting Effects And Monitor'S Brightness/Contrast Settings Etc, The Color Tone Of The Website'S Photo And The Actual Item Could Be Slightly Different. We offer you what you need! Electroscope Digital Induction Screwdriver Electrical Tester With LED Light.Electroscope 1. Electroscope Digital Induction Screwdriver Electrical Tester With LED Light. Must Be Grounded Or Zero When Testing The Project. Indirect Detection Of Zero Line, AC Phase And Detection Line.