... vision,dual cameras 4.SD card 1-32GB HD car DVR with dual camera is with 1280*1440 resolution, ... set time,G-sensor function2. Feature: cycle recording and over-writing memory,night vision(Totally 8 IR leds ... the SOS button, then it can record it , and this video cannot be over-written4. Screen:2. ... ,AV out,set time,G-sensor functionFeaturecycle recording and over-writing memory,night vision(Totally 8 IR ...