Features: Ensures safety and efficiency of your grounding products with Earth and Moon Continuity Tester, suitable for verifying electrical integrity. Featuring a simple to use. this continuity tester includes ground cable and easy to read indicator light for quick diagnostics of grounding mats, sheets, and other accessories. Suitable for electricians, maintenance technicians, and enthusiasts maintain proper grounding in residential or commercial setting. Suitable for routine equipment maintenance, this tester for various electrical grounding applications. With compatibility across a wide grounding products, ensuring your grounding solution are functioning correctly. Specifications: Component:ABS Size:Approx.98x40x20mm/3.85x1.57x0.78inch Package Includes: 1 Set Grounding Continuity Tester note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.