Wall scanner for metal detection, electric cables and wood UT387A UNI-T Wall scanners are great tools designed for the construction and home improvement industries. These scanners can detect objects hidden behind walls, such as metals, live electrical wires, and wood. Brand: UNI-T EAN code: 6935750538715 Supplier code: UT387A Buzzer indication Automatic shutdown Calibration error alarm LED alarm Low battery indication UT387A specifications  Maximum detectable distance StudScan ThickScan Ferrous metals 19mm 28.5mm  Non-ferrous metals 19 mm 28.5 mm  Copper conductors (live) 50mm  Wood 19mm 28.5mm  Characteristics StudScan and ThickScan scanning modes Automatic calibration √ User calibration √ Buzzer indication √  Automatic shutdown √  Silent mode √ Calibration error alarm √ LED alarm √ √ Low battery indication √ General characteristics 9V battery power (6F22) Product color Red and grey UT387A product net weight: 153 g UT387A Product Dimensions: 170mm x 70.5mm x 38.9mm Standard accessories Battery