Warm Tip: X01 does not have WIFI function, X170 has WIFI function, both can choose 2 lenses or 3 lenses. WIFI: You can download the car recorder APP to connect the product's WIFI through your cell phone, you can use the cell phone APP to control the device, you can watch the real-time recording video and download/share the past video through the screen of your cell phone, you can share it to the social app. This product has a protective film The new high-definition 3-lens dash cam features built-in WiFi support compatible for Android iPhone connectivity, making it easy compatible for your phone to view videos. Product Specifications3 Channels: [Front+Interior+Rear] Screen size: 2 inches File compatible for mat: MP4 Voltage 1 Current: 5V/1A Video resolution: 1080P; 720P; 720p Continuour Loop Video: Seamless Loop Recording Automatic power on/off: support automatic ignition and shutdown Interface: Support TYPE-C Time Synchronization: Support Support memory card: TF Card maximum support 128 GB Built-in stereo: support Frequency: 50HZ / 60HZ Supported languages: Chinese, English, French, German, Russian, PolishJapanese, Portuguese, SpanishKoreanetc 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 F1.8 wide aperture and the decent low-lightpercompatible for mance of the lens, the car camera is able to capturedetails like license plates at night. Built-in WIFI Download the APP from Android and iOS systems, connect your phone with dash cam via WiFi, then you can view the recordings in real-time, also can download, playback and share the recordings via your phone. How to link WIFI You need to press the M menu button compatible for 5-10 seconds and then it will show the WIFI module, the WIFI QR code is also in the menu bar, and you can eventually link your phone to view the video. Reversing Image When the car in reverse gear, the car DVR will automatically switch to the rear camera imaging view with parking line, ensures safety compatible for parking. Loop Recording Every detail would be automatically record and not miss one second, unlocked data would be overwritten automatically when TF card is run out of storage G-Sensor In the event of an impact or collision, the built-in G-sensor would lock and save the video, and the video would not be overwritten by 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 compatible for Few Seconds,Make Sure 24hr Parking Guard.Attention: It Should BeConnected By A Dvr Exclusive Power Cable. Users who want to use the 24-hour parking monitoring function need to purchase their own buck cable.