Overall Size: 3-1/4" Width X 8-1/4" Length X 4-1/4" HeightMax Detection Depth Copper Wiring: Up To 2-3/8"Max Metallic Detection Depth: Up To 4-3/4"Operating Temperature: 14 Degrees To 104 Degrees FahrenheitPower Source: 4 AA Batteries (included)Reliable Radar Technology Delivers Great Accuracy On Wall, Panel Or FloorThree Modes; Drywall, Concreate And Universal For Use In Multiple Different Job ApplicationsOffers Sound And A Light To Show User When Something Is Detected Behind A Wall, Panel Or Under FlooringNever Requires Calibration And Can Detect In Any DirectionIncludes Tool, Batteries And Carrying Case