... NTSC ) Playback resolution:16 x CIF Frames:1F/S ~ 30F/S (Adjustable)Hard Disk2 SATA Hard Disk interface ( ... 4T in Total )Video SignalPAL(625Line,50f/s), NTSC(525Line,60f/s)Video Input4 channel, BNC , 1. ... and NetworkBit Rate5 Levels:120MB/H,150MB/H,250MB/H, 300MB/H,500MB/H, 1~1000MB/H Self-definedPasswordEncrypted by 128-bit ... 272 X 58 mm (W*D*H)WeightN.W: 2.4KG G.W: 3.8KG 4ch H.624 Standalone DVR DV-8504 ...