DVR TVT HDMI 2508HE-C 960H 08 PORTS Display Frame Rate: 100/200/400FPS (PAL) , 120/240/480FPS(NTSC)Audio input: -1dB --- 22k, RCA X2/4 Audio output: -1dB --- 92dB, RCA X1 Alarme input/output: NO or NC, 4CH/NO or NC, 1CHRecord Mode : Manuel / Sensor /Timer / Motion détection Perfect support of IPhone, Black Berry, Google phone, Symbian and Windows mobile simplex/Duplex/Triplex: Triplex / Pentaplex Network Interface: RJ45 (LAN, INTERNET) PTZ control: YES / Communication port RS485, USB1.1Perfect support of IPhone, Blackberry, Google phone, Symbian .