CA-350 is a good design 3.5" 4:3 monitor ,use 320x240 digital panel , 5 buttons on top for OSD MENU opreration.

Screen size: 3.5 "(4: 3) TFT-LCD
DOT Count(DOT): 320(H)*240(V) digital panel
Video input: 2 channel
Videosystem: PAL / NTSC
Import voltage: DC9-16V
Brightness: 250CD/m2
Contrast: 300: 1
Working temperature: -20~+60 centigrade
Size: 98mm(L)*78mm(W)*27(H)