... configuration and updating;10.Support up to 1000GB HDD11.Support remote safety upgrade;12.power cameras directly ParametersModelVR8800( (4-CH ... outputCan connect alarm with audio and lightHard disk interfaceOne SATA HDD interfaceCompatible cameraCommon CMOS & CCDDimension183mm*175mm*42mmWeight1.2KGAV input4- ... *1,power and control cable *1, C-box *1 , remote *1 , , key *2 , ,manual *1 , 4-ch ...