1TB Seagate DVR HDD 1).Certificate:CE FCC ROHS 2).Price:competitive(promotiion) 3).QC:5 times tests before delivery 1TB Seagate DVR HDD Model: HDD1000GB SPECIFICATION:1).Harddrives (for DVR)2).Seagate 1TB SATA2 32M(7200.12/ST31000528AS) 1TB Seagate DVR HDD