Specifications:
7 Inch TFT LCD DVR monitor with built in Split Function (Single, Dual, Quad Image)
Screen:(16:9)
Resolution Degree:800(W)xRGBx480(H)
System:PAL/NTSC
Power Supply: DC12V- 24V
Power:About 6W
Opeartion Temperature:-20~70C
Storage Temperature:-20~80C
One card slot for DVR: Support upto 32GB TF card(micro sd card)
Support 800*480 & 1024*600 video recording. 
Record time (32G - 13 hours, 16G - 6.5 hours, 8G - 3.2 hours, 4G - 1.6 hours), loop recording available.
Operation Mode: Remote control+Keystroke;Remote control and keystroke can switch pictures at four directions
FOUR Images at the same time on a display.
Four video inputs: AV1, AV2, AV3, AV4. Independence (full screen) display.
Independant control / setting of AV1, AV2, AV3, AV4 via remote control and panel.Specification:
Screen size: 7 inch (diagonal length), digital screen monitor
Type: Brand new panel, high resolution
Video input: 4 ways AV inputs
System: PAL & NTSC auto switching
Resolution: 800R.G.B x480 dots
Power supply: DC 12-24 V compatible
Display: High resolutions with quad pictures
Operating temperature: 0C~+50C
Storage temperature:-20C~+65C
Remote control, OSD menu: Full image,/ 2 images /4 images adjustable
Automatic switching with trigger
Suitable for front/ back view/ side cameras
[16 : 9 ] wide screen display

Package Includes:
1 X Woolkom 7" Quad Split LCD TFT Monitor
1 X Remote Control
1 X AV Cable
1 X Sun Shade
1 X Mounting Base and 3M Sticker 
1 X User Manual