IMOU S800 PRO Dash Cam, 4KIMOU S800 PRO Dash Cam, 4K The IMOU S800 PRO is a dual lens dash cam that records in high resolution 4K (3840 2160), ensuring detailed footage of every situation on the road. Thanks to its 1 2. 9" CMOS sensor, bright F2. 0 lens, and wide viewing angle (123), it captures clear footage both during the day and in low light conditions. The device operates at 25 fps and uses H. 265 compression, so recordings maintain high quality while saving space on a