Used Battery-Operated Portable Zircon Studsensor 3 / Stud Sensor / Finder

This is a used battery-operated portable stud finder, the Zircon Studsensor 3. It is a black and yellow stud finder made of plastic composite material. The item is 5.5" in length and 2 5/8" in width, and weighs 3.2 oz without the battery. As you can see in the pictures, the lights turn on when there is a battery in it. No battery is included; it requires a 9 volt battery.