Saftey Light Curtain, Max. Sensing Distance 52.5 ft, Input Voltage 24V DC, Safety Output Ratings 300 mA @ 24V DC, Color Yellow, Housing Material Aluminum Alloy, NEMA Rating IP69K, Protected Height 47.24 in, IP Rating 65; 67; 69K, Beam Spacing 0.787 in, Number of Beams 60, Effective Aperture Angle 2.5 Degrees @ 3 m, Light Source 870nm IR LED, Response Time 13 to 65 msec; 17 to 85 msec, Overall Height 55.12 in, Width 3.23 in, Depth 2.75 in, Cable Length No Cable