Buy from Amazon : br CLOVER DV1670D Digital Video Recorder - Blackbr br Pentaplex LivePlaybackRecordCopyNetwork Simultaneously H264 Compression High Resolution 720 x 480 Real Time Display and Recording Frame Rate 480 FramesSec Programmable Display Resolution and Recording Frame Rate on Each Channel RS485 Support br Large 1 TB Hard Disk Drive of Storage 2 HDD Bays 16 Video Inputs and 16 Looping Outputs 4 Ch Audio Inputs and 1 Ch Output Support DVD RW not included for Archiving Large Images Back Up DVD RW CD RW External HDD Stick Memory Through Network br Remote Controlling Monitoring via TCPIPProgrammable Recording Speed on Each ChannelCMS Central Monitoring Software Max1024 Channel MonitoringSupport DDNSOperating Interface Mouse Keypad IR Remote Controller and Network