Features: Ensures electrical safety with the Outlets Circuit Tester, designs to accurately detect grounding issue functionality in outlets. Featuring portable designs, this plugs tester includes illuminateds LED indicators for easy diagnosis of wiring correctness without requiring professional knowledge. For homeowners, electricians, property managers, and anyone concerned about electrical safety, this outlets tester is practical tool. For use in residential, commercial, and educational setting, regularly check your outlets to prevent electrical accidents and ensure safe. With its interfaces and high performances, this electrical receptacle tester is addition to any toolkit, promoting safe and efficient electrical maintenance. Specifications: Component: Plastic Color: As Picture Show Size: 3.4x2.5x8.2cm/1.34x0.98x3.23inch Note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Package includes: 1/2pcs Outlet Testers