This is 4 pcs HD 1080P Backup Camera and 9 inch Car Monitor System with DVR :
9 inch Large Screen Monitor with 4 x IR Reverse Backup Camera
Hard wired version Camera system,
come with 32GB SD Memory for Video Record,
guarantees safe and 360° View clear image Avoid Blind spot
The 9 inch IPS technology monitor
Build-in Great DVR Loof Recorder with H.265 video
4 channels video input
Quad Split Screen Display,
It can display Full images/3 images/4 images,
Grid Line Can be turn on/off,
Image can be adjust for mirror or none mirror or flip with Upside Down
So you can make each camera working for Front View or Rear View or Side View at  your enjoy
FHD 1920*1080 Pixels (2.0 Megapixels) Rear Camera
IP68 Waterproof with 4 Pin Aviation Connector(Shockproof),
4x 18 LED IR Night Vision Car HD Color Backup Camera
100% Not Wash Out AHD 1080P Sensor Rear View Camera,
2.8mm lens (120° horizontal wide view angle )
The Backup Camera System come with 4pcs Backup cameras ,and 10m 20m 4-Pin  Aviation Extension cable
Support all 12V~24V vehicle
Best for Long Vehicle RV Bus Truck Motorhome Pickup Boat School Bus Tractor  Camper Lorry 5th wheel and All heavy Vehicle
There is 4x trigger wire to control each video input priority,can be connect for  reversing light, turn left light ,turn right light and forward,
Four cameras can be viewed simultaneously from the Front Rear Side views in one  display, Protect your driving safety to away from Danger

Simple to installation,Easy to use Easy to mount
Only need to connect the monitor power wire with car electronics system:
Red and yellow wire to car Positive/Live,
Black wire to GND,
Green Blue Grey Brown wire to reversing or other Trigger+ (or No need to  connect)
Insert the Memory to the card slot and press Mode button to record


9" IPS CAR DVR MONITOR

Display Size:9 Inch AHD DVR Screen
Power requirement:DC 12V-24V
Consumption:8W
Video:4 channels input ,Quad Split Screen Display
Our Split monitor can display 4 video at same time
Full images/3 images/4 images adjustable
Build in SD DVR Great Loop Recording functions
Each camera Record with a separate video files
Come with 32GB SD Memory Card, Max support 128GB
Reverse Grid Lines Can be turn on or off
Image Can be adjust for mirror or none Mirror
Image Support Flip with Upside Down also
Suitable for Front view/ rear view/side view
360°clearly View to avoid blind spot
Net Weight: Approx. 1000g
Lauguage:English,Chinese

AHD 1080P IR Backup Camera
100% Not Wash Out AHD 1080P Sensor Mirror image
Lens:2.8mm(120 View angle )
Number of pixels:2.0 MP Camera(1920*1080)
Minimum illumination:0 LUX
Night vision:18 LED IR
Video Output:4Pin Aviation Connector
work Temperature:-20°C~+60°C
Power Requirement: DC 12V-24V
Waterproof:IP 69

Package included:

1 x 9" AHD 4CH QUAD Split DVR Monitor
1 x U shape Metal Bracket
1 x Remote controller
4 x 1080P 18 LED IR Rear View Camera
2 x 4Pin 20m Aviation Cable
2 x 4pin 10m Aviation Cable
1 x 32GB SD Memory