This voltage tester features a backlit display for easy voltage reading and wiring condition indication. It shows the trip time for GFCI devices, aiding in troubleshooting. It also detects Open Neutral and Open Ground faults for enhanced safety. The price drops from $21.97 to $17.58 when you clip the $4.39 off coupon on the product page. Shipping is free for prime members or on orders over $35.

Clip the $4.39 off coupon on the product page.