Rear View Safety RVS-450C Car Dash Camera H.264 video codec. true 1080P, high compression to save longer video files with same card Parking Surveillance Mode, to secure evidence automatically in car parking lot Built-in sensitive 3-axis G-shock sensor, locking important video files automatically One-button-Mute On/Off, to protect your privacy during conversation HDMI output to HD-TV, enjoying time with family and friends