Usage Tips:Immerse Yourself in Earths Energy - No time to hike or visit the beach? Looking for alternative ways to ? Discover the benefits of grounding, just like when you your shoes and walk on the earth outside. The daily habit of grounding for at least 30 minutes brings the earth's electrons into your home, office, or wherever you may be. It's a natural and painless way to restore harmony to your body. Accurate Grounding Tester - You bought yourself a grounding mat for bed and are excited to lay your hands and feet on it, but you're wondering if it's working or not. assure you! The Earth and Moon grounding continuity tester for grounding products is easy to carry and use whenever needed. There are no complicated manuals and settings to stop you from testing your grounding mat kit because you want to see tangible proof that it is really working to support you on your wellness journey. Easy to Use Continuity Tester - Using a grounding mat tester to test for continuity is effortless. The ground tester comes with 15ft. grounding cord. Please note that two AAA batteries are needed but not included in your purchase. When ready, slide the green switch from off to on; once the green light flashes, it's working. To test cord, plug the button end and the pin into the tester. To test the mat, slide the tester over the mat. When the green light is on, it has continuity. Compatible with Most Grounding Products - This product tester is not only compatible with Earth and Moon grounding mat but also works well in testing the continuity of most grounding products like grounding shoes, grounding sheets, a grounding pillowcase, a grounding blanket, and a grounding pad, to name a few. Power Supply:2 x AAA batteries(Not included batteries) Colour:White Material:plastic Package Contents: 1 * Accurate Grounding Tester Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.