there are two heads on those things.a guy from V1 told me before the camera uses lidar to detect speed, I think its the small head which only works on one direction. The big head is a infer-red video recorder works on both direction

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MY08 STI 422whp at 1.5bar on E85, built by Diversion Garage, assembled and tuned by EvoR

Update from new owner: 375whp at 1.4bar on 98, at Tokyo Motorsport