Professional Auto Dimming Anti-Glare Rear view Mirror Monitor, No Matter Which Direction The Strong Light Comes, The Mirror Monitor Will Adjust The Brightness Itself, Much Safer When Driving. There Is a Sensor At The Back Of The Mirror Monitor, It Can Sense The Brightness Of The Nearby Environment. When The Brightness Is Less Than 20Lux, SPM-TSR Anti-Glare Mirror Will Start Working. There Is Another Sensor At The Front Of The Mirror Monitor, It Can Sense The Brightness Of Strong Light From The Back Of The Car, And Then Drive The Reflectivity Of The Anti-Glare Mirror.
