Intelligent Voltage Tester Pen Kit Power Voltage Detector Electricity Detector Test Pencil with High Brightness LED Light Electrical Indicator Tool with Screwdriver Voltage Tester Pen with Insulation Tape It is easy to detect the fire/zero line and know which line has a bad situation. And the flameRetardant electrical insulation tape is made of PVC, with fine insulation effect, suitable for insulation protections of daily electrical products. Features: With self checking function, through the humanbody circuit, a green highlight light will be emitted. Before use, a self check is required to detect whether the pen is in normal use. High bright LED indicate light, long service time and convenient to view the detection result. The nib is designed with a high hardness alloy steel screwdriver, which is wear-ressitant and convenient for you to open the socket box at any time. Pen clip design, portable and light weight for easy carrying. A perfect tool kit for home and electric industry uses, safer and long working time. The electrical insulation tape is made of PVC, with fine insulation, safer e. Smooth surface, mechanical strength, high temperature resistance and aging resistance, suitable for insulation protections of daily electrical products. Specifications: Voltage Tester Pen: Color: transparent Material: PC+metal Measuring range: 70-250V Item length: 145mm / 5.7in Screwdriver size: 17 * 4mm / 0.7 * 0.2in Battery: 6 * LR41, 1.5V, 25mAh (Three of the batteries have been installed in the voltage tester pen) Insulation Tape: Color: black+white+red+blue+yellow+green Material: PVC Package size: 210 * 150 * 30mm / 8.3 * 5.9 * 1.2in Package weight: 176g / 6.2ounce Packing List: 1 * Voltage Tester Pen 6 * Rolls of Insulation Tape (black+white+red+blue+yellow+green)