... :pre-set 8 gears,data rate adjustableHard disk storage: SATA port,Support 2.5 SATA HDD,Drawer-type designRecord mode: sensor,programmed,motion ... -up:Support USB Backup.Peripheral Component Interconnect:2 USB HOST port,one for recording data back-up,another for sensor data ... ,GPS data(optional).1 SATA HDD port1 infrared remote portPower input:DC8-36V,Power switch ...