About this item 🔬 Grounding Tester for Earthing & Conductivity – This grounding tester checks if earthing devices like mats, sheets, and wristbands are conductive. Touch the probes to the material—if the light turns on, it conducts electricity. Note: This is a conductivity tester, not a grounding verification tool. ⚡ Quick & Easy Grounding Mat Tester – No need for a grounding tester meter or plug-ins! Just remove the cap, touch the prongs to your grounding mat, and get instant results. Works for grounding sheets, mats, and other earthing products. 🔋 Battery-Powered Ground Tester for Earthing – Comes with 3 pre-installed LR41 batteries, ready to use. Simple cap removal allows for easy battery replacement. 🛠️ Compact & Portable Grounding Meter Alternative – Small, lightweight, and perfect for quick checks at home or while traveling. Ideal for testing grounding mats, sheets, and wristbands. 🔍 Grounding Tester for Grounding Mats & Safety Info – This conductivity tester only checks if a