1.The WiFi audio and video transmitter supports audio, video, clearer picture quality and no cutting picture. It can support multiple mobile phones to watch video at the same time, 3D dual screen display, mobile phone recording and device end recording. 2.WIFI Audio and Video Transmitter transmission, support iPhone, iPad, and Android phone. 3.Adjustable multiple angle camera viewing, with image-flip ability. 4.Camera & transmitter rainproof, dustproof and shockproof. 5.Minimum illumination less than 0.5 Lux, digital compensation for clear night vision. Easy installation, wiring free. 12-30VDC car power supply. Transmission distance with no obstacle more than 150meters. The client terminal shall support Android 4.3 or above, and iOS shall support Version 10.3 or above. Installation APP software : 1. GOOGLE PLAY store. 2. Search "WIFIAV-HD" software, and download.Or scan the QR code, Download. 3. Install the APP software, as the following interface: 4. Turn on the intelligent mobile device terminal and enter User could long press the "RESET" buttonof the transmitter for 10 seconds to reset the default factory SSID and password. Operations for iOS system client Installation APP software : 1. Turn on the intelligent mobile device terminal and enter APP store. 2. Search "WIFIAV-HD" software, and download.Or scan the QR code, Download 3. Install the APP software, as the following interface: Connection WIFI: 1. Click"wi-fi", select your camera, and connect the wifi of the intelligent mobile device terminal to the wifi of the tool. The initial SSID of the device is "WIFIAV-HD", then type in the password of the device(default password: 12345678 ). 2. Click the icon in the main interface of the intelligent mobile device terminal. Colour:black Material:A