... /vans/buses/etc.7inch monitor with wireless receiver built inHigh resolution camera with wireless transmitter built inWith 20m cable included ... (stand bracket, Air-container Vent, headrest, Z-clip optional)Wireless Camera SpecWireless camera with built in 2.4GHz VIDEO TransmitterWireless ... 2.8mm / F = 2.0Lens Angle:120°Vertical Sync. Frequency:50Hz / 60HzVideo Output:1.0vp-p, 75OhmPower Supply:DC12V, ...