WIRELESS WIFI BACKUP CAMERA for SMARTPHONE: After being turned on, the Wi-Fi backup camera will generate its own unique Wi-Fi signal (No Internet Supported). Use your smartphone tablet or iPad to connect the Wi-Fi and you can get view from the camera on the App. No monitor needed nor supported BUILT-IN BATTERY & MAGNETIC BASE: With a 9600mAh built-in rechargeable lithium ion battery and a magnetic base, you don't need to do extra power connection. Attach the camera on your vehicle, turn it on and use it. Save 200 dollars of hiring a mechanic to install