● 2 or 4 wire models ● Dual LEDs for 360° visibility ● Advanced detection and discrimination algorithms ● Easy installation and maintenance ● Sleek low-profile housing design ● Durable sensor head. No need for replacement ● SMD circuit board design ● Satisfactory quality and reliability guaranteed ● Normally-closed (N/C) -Normally-open(N/O) selectable relay output ● Five-year limited warranty ● Dimensions: Ø100 X 48 mm