... Gain ControlHigh performance color re-production0 Lux with 24 IR LEDs, range up to 10 metersPAL or NTSC ... triggeredEmitter Wave Length of LED850nmPlayback ResolutionPAL: CIF(352x288), HD1(704x288), D1(704x576)IR Distance10 meters (24 IR LEDs ON)NTSC: ... Lux (IR LED ON at night)Network ProtocolSupport TCP/IP, UDP, DHCP, DNNS, PPPoEElectronic Shutter1/50 (1/60) ~ ... % to 90% 4CH D1 DVR with 4 CCD camera