Screen size: 6 inches (16:9) Resolution degree: 320(W) x RGB x 240(H) =230400 points System: PAL/NTSC Power supply: DC12V Power: About 6W Service temperature: +5C-+40C Storage temperature: -20C-+60C Video: Two-way video input, V1/V2 switchover Rearview: Special reversal switchover function. Image can be adjusted left and right Blue screen function: Blue screen when no signal Appearance size: Length 261mm x width 96mm x thickness 24mm Carton:430*345*443mm 10PCS/CTN