... on/off) (8)Record automatically after the car engine start (9)Cycle Recording:128MB/per section,there ... will write-protection recording files by pressing ON/OFF button when there is emergence (11)Output :DC5. ... 5V-7V, (12)use rechargeable li-baterry or car charger to power DVR (13)Interface: USB2.0 ... Up/Down Accessaries:User manual ,camera holder,car charger,Rechargeable li-battery,AV cable Product size ...