Sensor system comprising - a LiDAR unit having a transmitter for laser light having a wavelength of 800 nm to 1600 nm and a receiver for light having a wavelength of 800 nm to 1600 nm; - a camera for visible light having a wavelength of 380 nm to 780 nm and - a cover arranged such that IR light transmitted by the LiDAR unit and received thereby and visible light received by the camera passes through the cover, wherein the cover comprises a layer containing dyes, characterized in that the cover has a light transmission Ty in the range from 380 to 780 nm of ≥ 3% to ≤ 25% determined according to DIN ISO 13468-2:2006 (D65, 10°), the cover has a transmission for light in the range of 380 nm to 1100 nm of ≥ 40% determined according to DIN ISO 13468-2:2006, analogously with this standard, wherein the aforementioned wavelength range was used, the cover attenuates the LiDAR signal only to the extent that the signal intensity of the IR light transmitted by the LiDAR unit and re-received thereby, determined by reflection from a smooth surface painted with TiO 2 -containing white paint at a distance of 3.2 m, is ≥ 65% of a reference intensity determined without the cover and in that the layer containing dyes comprises a thermoplastic composition comprising the following components: i) at least 70 wt% based on the total weight of the composition of a transparent thermoplastic polymer; ii) at least one green and/or blue colourant; iii) at least one red and/or violet colourant; wherein the product of the sum of the weight per cent fractions, based on the total weight of the composition, of the colourants ii) and iii) and the thickness of the layer containing dyes is ≥ 0.041 wt% mm to ≤ 0.12 wt% mm and wherein the composition contains 0 to ≤ 0.0005 wt% based on the total weight of the composition of infrared absorbers. - a LiDAR unit having a transmitter for laser light having a wavelength of 800 nm to 1600 nm and a receiver for light having a wavelength of 800 nm to 1600 nm; - a camera for visible light having a wavelength of 380 nm to 780 nm and - a cover arranged such that IR light transmitted by the LiDAR unit and received thereby and visible light received by the camera passes through the cover, wherein the cover comprises a layer containing dyes, the cover has a light transmission Ty in the range from 380 to 780 nm of ≥ 3% to ≤ 25% determined according to DIN ISO 13468-2:2006 (D65, 10°), the cover has a transmission for light in the range of 380 nm to 1100 nm of ≥ 40% determined according to DIN ISO 13468-2:2006, analogously with this standard, wherein the aforementioned wavelength range was used, the cover attenuates the LiDAR signal only to the extent that the signal intensity of the IR light transmitted by the LiDAR unit and re-received thereby, determined by reflection from a smooth surface painted with TiO 2 -containing white paint at a distance of 3.2 m, is ≥ 65% of a reference intensity determined without the cover and in that the layer containing dyes comprises a thermoplastic composition comprising the following components: i) at least 70 wt% based on the total weight of the composition of a transparent thermoplastic polymer; ii) at least one green and/or blue colourant; iii) at least one red and/or violet colourant; i) at least 70 wt% based on the total weight of the composition of a transparent thermoplastic polymer; ii) at least one green and/or blue colourant; iii) at least one red and/or violet colourant; wherein the product of the sum of the weight per cent fractions, based on the total weight of the composition, of the colourants ii) and iii) and the thickness of the layer containing dyes is ≥ 0.041 wt% mm to ≤ 0.12 wt% mm and wherein the composition contains 0 to ≤ 0.0005 wt% based on the total weight of the composition of infrared absorbers.