Inductive proximity sensors, IQV, IQ20-07BPPDQ0S, switching distance Sn: 7 mm, installation in metal: flush, cuboid shape (W x H x D): 20 mm x 32 mm x 8 mm, electrical design: DC 4-wire, switching output: PNP, switching function: antivalent, connection type: cable with M12 connector, 4-pin, 0.3 m