Embeded DVR Video Input: 4 channels (PAL, NTSC), BNC (1.0Vp-p, impedance: 75) Audio Input: 1 channel, BNC ( impedance: 1k) Playback Resolution: PAL: 352*288(CIF), 720*576(D1), NTSC: 352*240(CIF), 720*480(D1) The new style of stand alone digital hard ware recorder, used the own technical of Maxsee, is received well by the customers. This recorder use the AVP0401 chipset of Maxsee, have the functions of cameras-controlled, alarm, IE browse, SD and USB data backup, 1 or 4 channels playback synchronously ... Its high-compression, low-consumed, high-resolution, sharp and finely images win great acclaim from the customers.