Features: Brand new and high quality The red and green voltage tester pen is a must have tool for quickly checking if the circuit is live, enhancing work efficiency and safety. With its red and green indicators, this tester pen allows users to easily determine the condition of the circuit. Its compact size and portability make it convenient for carrying and using. This tester pen is suitable for electricians, maintenance personnel, DIY enthusiasts, and anyone who frequently needs to test circuits. It can be widely used in various circuit testing scenarios, such as sockets, switches, and outlets, in homes, offices, and more. Improve your work efficiency and ensure safety with this red and green voltage tester pen. Say goodbye to the hassle of uncertain circuit conditions and confidently tackle any electrical task. Specifications: Material: alloy steel+ABS Standard: flat/cross/flat with cross(optional) Length: approx 163mm/6.41inch Handle width: approx 35mm/1.37inch Measure range: 12-220V Package Includes: 1xElectrical Circuit Tester note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the difference between different monitors, the picture may not reflect the actual color of the item.