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The Walabot DIY 2 Advanced Wi-Fi Enabled Wall Scanner and Stud Finder in Black and Purple finds the center of wood and metal studs, detects and tracks the paths of pipes and wires, and can even show movement within walls, making it ideal for exterminators. Walabot DIY 2 is designed for everyone from home improvement novices to professional contractors, electricians, plumbers, and carpenters - everyone in need of advanced wall imaging capabilities. This is a certified refurbished product.Detection and TrackingThe radio frequency waves will detect objects inside the wall and the data will be translated into images representing wooden studs, metal studs, pipes, and wires. It even enables you to find pests by detecting movement.Pairing and Wi-Fi ConnectivityWalabot DIY 2 pairs with your iOS or Android phone to produce a visual image of what’s inside drywall up to a depth of 4 inches (10 cm). With Wi-Fi connectivity, Walabot DIY 2 can also be used separately from your phone – ideal for scanning hard-to-reach areas.Built-In Rechargeable Battery and ModesIt even comes with a built-in rechargeable battery, so it won’t drain your phone. Walabot DIY 2 offers two scanning modes - images mode displays a graphical representation of objects hidden in a wall and expert mode shows the raw data.