This is the Fluke Voltage and continuity checker 6.690 V DC/AC [T150] Fast test results With large, easy-to-use buttons, bright backlights, and clear audible and physical indicators Designed for any work situation Rugged, high-quality construction includes a heavy duty moulded housing, a thicker cord with wear indicator, sturdy battery case, and well-fitting and durable probe protector Enhanced ergonomic design feels good in your hand A complete family of testers with the features, functions, and price/performance to fit your applications and preferences ...Contact us if you need more help.