TH240 Wall Detector Metal Wood Voltage Tester - Red

Main Features:
1) Quickly detect the center position of the stem
2) LCD backlight display for easy reading
3) Detectable wood metal stems with a wall thickness of 1 1/2 inches ( 38 mm )
4) Measuring two gears of wood, 18mm and 38mm
5) Detectable metal pipes with a wall thickness of 2.36 inches ( 60 mm )
6) Detectable live wires in the wall, the wall thickness is within 2 inches ( 51 mm )
7) All detection functions have automatic correction function
8) Powered by a 6F22 model 9V battery ( not included )
9) Material: ABS + electronic components