IMT23204 Дигитален детектор 4 во 1

Detection depth
Stud mode: wood stud of 30×30 mm at depth of y 14 mm
Metal mode: iron pipe of Ø 20 mm at depth of y 25 mm
AC mode: 50 mm for 90…250 V at 50…60 Hz
Power: 9 V battery (6F22)
Weight: 213 g (with battery)
Always calibrate before each use.