Steps to Use Phone Backup Camera: 1. Search for "JoyTrip" on Google Play or App Store or Scan the QR code provided in the manual to download the app. 2. Connect the camera to ACC 10-30V / USB 5V power supply. This can be from reversing lights, running lights, tail lights, brake lights, or any other suitable power supply. 3. Enter your device's WIFI settings and connect to the WIFI hotspot that starts with "car...". 4. Open the App: Launch the JoyTrip app to view the image from the camera. Intelligent Voice Call Startup---Experience intelligent voice control with the Joytrip APP. If your smart device supports intelligent voice systems like SIRI in iOS, you can initiate the Joytrip APP by voice command, even if the screen is black (unlocking the screen may be required if set). Enjoy the convenience of hands-free operation with intelligent voice control. Installation of Universal WIFI Reversing Camera---The wireless WIFI backup camera offers flexible installation options: Hanging Mounting and Vertical Mounting. To ensure optimal view angles, we provide three angle shims. These shims are included to address any issues with the view angle after installation, allowing you to customize the camera position for the best possible visibility. Image Flexibility and Adjustable Guidelines---In the settings page of the dedicated app, you have the flexibility to: 1. Flip the Image: Choose between mirror image for rear view or non-mirror image for front view, as well as horizontal view and vertical view. 2. Guideline Control: Easily toggle guidelines on or off. Moreover: Adjust the guideline width, height, and positioning by long-pressing the guideline in the horizontal screen state of your device. Compatible Devices for Our 5G WIFI Camera---WiFi Compatibility: Ensure your device supports Double Band WiFi (IEEE 802.11 a/b/g/n/ac 2.4GHz and 5GHz frequencies). Verify this information on your device's official website (compatible with iPhone 4 and above). Operating System: Your device must run on Android 5 or above for Android devices and iOS 7 or above for Apple devices. Most modern smartphones and tablets, especially those of higher value, should seamlessly work with our 5G WIFI cam. 5G WIFI Backup Camera---Distinguishing itself from most 2.4g WIFI cameras, our 5G WIFI phone reverse camera boasts superior performance. Experience a shorter response time, more stable video signal transmission, and zero image freeze. With a high-definition resolution of 1280*720p, a wide-angle fisheye lens providing a 170-degree view angle, IP68 waterproof, this camera is specifically designed for small vehicles (less than 26FT). Ideal for cars, sedans, minivans, campers, SUVs, RVs, etc.