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