7\'\' waterproof heavy duty system,Website: , with 2 cameras input with 2 triggers. 7\'\'touchable quad split screen with IP69K waterproof camera. 9-36V power input. Metal bracket or suction cup mount bracket for selection. This system is workable for trailer, heavy duty, motor home and so on.Item No.BR-702WPSImage Type1/4 1/3  Inch Color CCDHorizontal Resolution420TV 700TV LinesMonitorIP 67KCameraIP69KSystemPAL/NTSC automaticallyLuminance250cd/SMOSD menuLanguage,brightness, contrast, trigger priority delay display settingCertificateFCC,CE, E-mark，ISO9001,TS16984, RoHsShockproof10GPower input9-36V power inputAudio and video4 video/1audio input  Quad images,2/3/4 image optionalWarranty1 year as standard