ihreesy Dual Lens, Night Vision Car Camera with G-Sensor, Full HD 1080P Large Rear View Mirror, 4.3" Display Screen Large rear view mirror, providing a good replacement for your original rear view mirror with a 4.3" screen in the middle for display Crash detection: highly-sensitive G-sensor powered automatic video recording and video file locking when a collision or crash is detected One-button audio recording on/off for privacy protection concerns