4CH 3G Mobile DVR for Bus, Taxi,Police cars 3G SIM card supported Back up videos through internet H. ... ,1A@110VRecord modeContinuous, Cycle, Schedule, Alarm, Motion detectionVideo search method By Channel, time, record time, storage locationText OverlayYes(plate number, time ... /o bracket 4CH 3G Mobile DVR for Bus, Taxi,Police cars