Wireless Dual Backup Camera with 7 Touch Button Rearview Monitor for RV Trailer Truck Motorhome Camper Digital 1080P AHD Rear Side View Cam with Long Range Operation Signal DVR System Xroose CM2

7 Inch Capacitive Touch Button Sensor Screen -Durable, extend service life.-Less the possibility of water-in.-Built-in DVR Recorder-Included 32GB SD card 128GB maximum storage-2 channel monitor-Cigarette lighter charger Product FAQ 1.How to setup more camera?Answer:MENUCAM-SETUPON/OFF2.How to adjust the paremeters of the video?Answer:MENUPICTUREBrightness/Contrast/Hue/Volume(No sounds)3.How to switch NTSC&PAL?Answer:MENUSYSTEMNTSC/PAL4.How to turn off the parking guidelines?Answer:MENUSYSTEMP-LINE5.How to rewrite/ formate the SD card?Answer:MENURECORD