... Channels Dual SD Card Vehicles Mobile Digital Video Recorder DVR vehicle drive recorder dvr 4- ... Synch timeEvent Sensor trigger, Speeding, Accelerometer, Temperature, Video LossPlaying ModeSupport 1 channel or synchronous 4 channels By ... )+WIFIApplications:Buses, cars, coaches, cash carriers, industrial vehicles, taxi, investigation vehicles, military trucks, police vehicles, ambulances, Tourism ...