Banner Engineering SLPMR25-1110 Optical Sensors SLPMR25-1110 EZ-SCREEN Low Profile Muting Receiver; Res.: 25 mm Response (Tr): 17 ms; Beams: 56; Rng: 0.1-7 m (4 in - 23 ft); Height: 1110 mm (43.7 in); Integral RD