[Dual 4K Recording with STARVIS 2 IMX678] Redtiger F77 is the first front and rear dash cam both equipped with high-spec STARVIS 2 IMX678 sensors, offers superior 4k night vision. 7-layer glass f/1.8 wide aperture lens, and combined with 4K HDR/WDR technology, automatically balancing light and dark. [Upgraded 128GB eMMC Storage Instead of Card] The 4K car dash cam has built-in 128GB eMMC storage, supports 5 hours loop recording, not need to purchase memory card. Besides the high-level write and read speed, car dash cams with eMMC can avoid video damage and non-recording due to impact. [Smart Voice & Touch Control] Easily control your 4k dashcam with hands-free operation, enhancing safety without distraction. [Faster Smooth 5.8GHz WiFi & GPS] With built-in 5.8GHz WiFi, provides faster data transfer speeds and stable connection. [24-hour Parking Monitoring] Offers G-Sensor Parking Mode that automatically record when it detects any collisions or sudden motion while vehicles is parked