feature: *1. Quick and highly sensitive identification of the live wire: touch the touch electrode with your hand and insert the metal of the pen tip into the hole. The red display will make a buzzing sound; the green screen voltage is weak and there is no alarm sound, indicating the neutral wire. *2. Two-color digital tube real-time prompts *3. Removable pen cap. Removable cover prevents arcing and leakage. *4. Maintenance Assistant *5.LED lighting function illuminates the front for you Specification: Model: VD807 Available colors: black/red Measuring range: 12-300V Alarm : sound and light alarm Frequency: 50Hz/60Hz Battery usage: 2*AAA (batteries not included) Neutral line identification: touch the touch electrode with the tip of the pen. High voltage indicates the live line, and low voltage indicates the neutral line. Flashlight: LED lighting Automatically close:√ packing list: 1*Test pen VD807 NVC Induction Power Digital Display Electric Test Pen Zero Live Wire Test Various Tools: High quality tools to meet your daily maintenance needs, extend the service life of equipment. Ideal Tool: The use of tools greatly shortens the maintenance time and saves maintenance costs. Shipment: We will ship it ASAP,when you place the order. Every customer can enjoy 30 days refund for Damaged/Quality Issues. Best After-sale service: Your satisfaction is our greatest wish, if you have any questions, please feel free to contact us, we will provide you with comprehensive pre-sales and after-sales services.