CLOVER DV1670D Digital Video Recorder - Black Pentaplex (Live/Playback/Record/Copy/Network Simultaneously) H.264 Compression. High Resolution 720 x 480. Real Time Display and Recording Frame Rate 480 Frames/Sec. Programmable Display Resolution and Recording Frame Rate on Each Channel. RS485 Support 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 R/W (not included) for Archiving Large Images. Back Up: DVD R/W, CD R/W, External HDD, Stick Memory, Through Network Remote Controlling & Monitoring via TCP/IPProgrammable Recording Speed on Each ChannelCMS (Central Monitoring Software: Max.1024 Channel Monitoring)Support DDNSOperating Interface: Mouse, Keypad, IR Remote Controller, and Network