Warm Tip: 1, with out WlFl, no rear view camera 2 with WlFl but no rear view digital camera 3 with WlFl rear view digicam The new high-definition 3-lens sprint cam elements built-in WiFi support for Android iPhone connectivity, making it easy in your cellphone to view movies New HD 3 Lens WIFI Dash Camera Only Front Camera: 1080P Front + Rear Camera:1080P+1080P;Front & Inside Camera:1080P+720P; Front & Inside & Rear Camera:1080P+720P+720P Starlight Night Vision With the help of F1 huge aperture and the first rate low-lightperformance of the lens, the car camera is ready to capturedetails like license plates at evening Built-in WIFI Download the APP from Android and iOS systems, connect your telephone with sprint cam through WiFi, then you definately can view the recordings in real-time, also can download, playback and proportion the recordings via your telephone Reversing Image When the car in opposite gear, the auto DVR will mechanically swap to the rear digicam imaging view with parking line, guarantees security for parking Loop Recording Every detail could be routinely record and not miss one second, unlocked data can be overwritten robotically when TF card is run out of storage G-Sensor In the event of an influence or collision, the integrated G-sensor would lock and save the video, and the video would not be overwritten by means of loop recording 24h Parking Monitor When Someone Near Your Car Or Vehicle Starts To Move,Automatically Turn On And Start Recording When Detects Any Impact Or Collision,The Device AutomaticallyAutomatically Recording For Few Seconds,Make Sure 24hr Parking Guard: It Should BeConnected By A Dvr Exclusive Power Cable Easy Installation Install sprint cam at the wind shield, align the cable and fasten to the cigarette lighter through vehicle charger, the dash cam would mechanically work when you delivery the automobile To preserve your privacy, the TF card needs to be formatted for the 1st time There are two solutions: 1 Insert the TF card wisely into the dash cam, open the camera settings, discover the garage card format, verify that the formatting is complete, and then restart the digital camera to apply 2 to the mobile application, look for settings in the cellular application, structure the memory card, verify formatting is complete, and then restart the camera to apply it Sincere needs to you and your family Please note: Upon receiving the package, please examine the product instantly for any harm If there may be any problem, please contact me immediately (Damage to the field is normal, because the field is only used to guard the internal product from damage)