Economical continuity tester. Tests for continuity in nonenergized circuits. Checks switches, thermostats, fuses, relays, cords, coils, etc. 36″ insulated test lead with alligator clip. Fully shielded indicator bulb lights when continuity exists. 1 year limited warranty. 1 per card. No. GCT-3304: Lead Length: 36″, Battery Type: 2 LR-44, Included, Pkg Qty: 1, Package Type: Card