Multi-Use: Ideal Electrical Tester is suit for testing power cables, circuit breakers, wall sockets, junction boxes, fuses, etc. Application: A perfect AC Voltage Tester for home and electric industry uses, can quickly test for energized circuits in the workplace or at home. Safety: Totally insulated hosing, no exposed metal or conductive parts, the Voltage Detector pen is safe to use. Portable Design: Small and compact Voltage Tester pen is easy to carry, long life and low power consumption. With LED light: A bright white LED is built into the Voltage Detector pen head, which can be used as a simple flashlight. Power supply: 2 AAA batteries (battery not included). Description: 2. There is a button in the middle of the induction pen. Press it, and a high-bright LED will light up at the tip of the pen. It can be used as a torch. In a dark work place, you can easily complete the line survey work without a flashlight! 1. When the tip of the pen senses or detects a voltage, the white part of the tip of the pen will emit light and beep. It is easy to detect the live wire and know which wire has dangerous voltage. The non-contact electric pen is sealed with insulating plastic as a whole, so you will be protected safely without any danger of electric shock during electric inspection. color: as show Size: 152*23*15mm Note: 1.Please allow 0.39-1.18 inch error due to manual measurement. Please make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Including 1 * Electrical Test Pen