The Gardner Bender Circuit Outlet Tester Analyzer GFCI function GFI-3501 is a reliable tool for testing electrical outlets in your home or workshop. With a manufacturer warranty of 1 year, you can trust that this electric measuring device will accurately detect any issues with your outlets. The red color and compact design make it easy to spot and use, while the GFCI function ensures safety by testing for ground fault conditions. Made in China, this outlet tester is a must-have for anyone looking to ensure the electrical safety of their space.