Banner Engineering SLPR14-270A Safety Light Curtains SLPR14-270 A EZ-SCREEN Low Profile RECEIVER; Resolution: 14 mm; Response (Tr): 10.5 ms; Beams: 27; Range: 0.1-7 m (4 in - 23 ft); Height: 270 mm (10.6 in); Integral RD; Housing: Anodized Aluminum