7inch rearview monitor with muti-function, such as FM,SD,USB,MP5,BT competitve ... ) Interface: SD interface, USB interface11) radio12) It can be connected with rearview camera for reversing aid.13) All function are controlled by ... Optional function:BluetoothDisplay can be splited in 4 images. 7" rearview monitor with blue tooth , SD slot and USB The real products and ...