The DS35-B15521 | 1057654 from SICK AG is a Laser Displacement Sensor with Measure/Sensing Distance 50 to 12000 mm, Wavelength 655 nm, Response Time 4.5 to 192.5 ms, Repeatability 500 µm, Supply Voltage 12 to 30 VDC. More details for DS35-B15521 | 1057654 can be seen below.