Abee R22 Car Cam Recorder User’s Manual Page 12/185.7. MD SensitivityMD Sensitivity ItemsHIGH: High sensitivity for Motion Detection.MIDDLE: Medium sensitivity for Motion Detection (Default).LOW: Low sensitivity for Motion Detection.5.8. Collision BootCollision Boot ItemOFF: Turn off Collision Boot. (Default)ON: Turn on Collision Boot.5.9. Collision RECTimeDescriptionSet the length of countdown when sensing no shaking while Motion Detaction turned on. Whenreaching the length of time, the recording would automatically stop. The selected length includes10 s, 20 s and 30 s, where 10 s is the default setting.