Gardner Bender Continuity Tester is an economical and reliable tool designed to test continuity in non-energized circuits. It effectively checks switches, thermostats, fuses, relays, cords, coils, and more, making it a versatile addition to any toolkit. This tester features a 36-inch insulated test lead with an alligator clip for secure connections. The fully shielded indicator bulb lights up when continuity is detected, providing clear and immediate feedback. Backed by a 1-year limited warranty, this product dependable performance with every use. Model Number: GCT-3304