Swann SWDVR-43000H-US  4-Channel Trublue DVR (Black) Swann's latest TruBlue blue-lit D1 DVR with real time, full screen high resolution video recording Just add cameras to record and view up to 4 channels of high quality video simultaneously View & record 4 cameras and view live with the free SwannView app Set & forget by recording continuously from 4 channels for 30 days+ onto a 500GB hard drive, even longer with motion detection Save time & have peace of mind by easily locating incident video, then transfer to external storage via USB, eSATA or network