Description: 【Non Contact Insulation Voltage Testing】: The Multifunctional Intelligent Breakpoint Electrician Test Pen offers non contact insulation voltage testing, ensuring safe and accuracy in your electrical work. 【Large Screen Display and Flashlight】: This Voltage tester pen features a large screen display for easy reading of measurements. It also comes with a built in flashlight for added convenience when working in low light conditions. 【Adjustable Sensitivity】: With its adjustable sensitivity feature, this Pen Type Digital Multimeter allows you to customize the detection range according to your needs, making it versatile and suitable for various applications. 【Material and Compact Size】: Made from ABS material, this test pen is strong and designed to last. Its compact size of 19cmx4cmx2.9cm makes it easy to carry around and use wherever needed. 【Package Includes】: Each package comes with 1 Voltage Test Pen. Please note that two AAA batteries (not included) are required for operation. Specification: Color: Black Material: ABS Size Chart: 19cmx4cmx2.9cm/7.48inchx1.57inchx1.14inch Package Includes: 1 Voltage Tester (Not Include 2 AAA Batteries) Note: Please allow slightly errors due to manual measurement and different monitors.