REDTIGER F7N 4K Dual Dash Cam Built-in WiFi GPS Front 4K/2.5K and Rear 1080P Dual Dash Camera for Cars,3.16"" Display,170° Wide Angle Dashboard Camera Recorder,Support 256GB Max, REAL UHD 4K+FHD1080P DUAL DASH CAM ? The REDTIGER F7N smart dash cam offers top quality 4K 3840*2160P on front camera and 1920*1080P on rear camera that captures super clear view. Help you read most details from street signs, license plate etc. Wide-angle dual cameras capture all pedestrians and vehicles around the car, providing sufficient evidence for rear-end collisions or collisions etc., BUILT-IN WiFi&GPS ? The 4K backup car camera has built-in Wi-Fi with easy connection to your smartphone app. With the ""Ucam"" app, it's very convenient to operate live preview, playback, and device management on your smart phone.what' s more, Video files can be downloaded to smartphone and shared with your friend by social media. The built-in GPS can easily record your driving route, driving speed and other information, which will become your important evidence., SUPER NIGHT VISION ? F7N dash cam with High-spec Sensor improves low light sensitivity allowing clear imaging in low light environments. The combination of F1.5 large aperture and 6-glass lens, professional WDR, HDR technology ensures the clarity of images at night. Eliminates the need for an auxiliary light source even in low-light environments, Car license plates can be easily seen., 24H PARKING MONITOR/G-SENSOR/LOOP RECORDING ? With the dedicated hardware kit, the recorder can automatically monitor the surrounding environment.When the built-in G-sensor detects a sudden shock or collision, the camera will automatically lock video. Seamless loop recording will be automatically overwrite old files. Recording will be looped automatically.Dedicated Hardwire kit is needed for parking monitoring function.Please contact REDTIGER support team to get it freely., LIFETIME WARRANTY & 24H CUSTOMER SERVICE ?Our greatest pursuit is to satisfy the needs of consumers.Our Life-Time warranty is welcome to each consumer:1-year unconditional warranty and replacement & Life.Time technical support which to the end of your problem solved.We are confident of our most powerful guarantee in the market. 7*24 hours technical support is on standby for your shopping experience. Any of your queries are opened on Amazon or the contact information on the page of instructions., ,