... detection, RS485 MV-H6810WH.264 compression.1/4inch 480tvl SONY CCD sensorNo need to install software, Multi-screen monitoring ... or higher version,Firefox,chromeSuper Client1,4,9,16,25,36, 64,81-channel , no user limited , centralized monitor, ... DDNS for free ,like demo.gocam.soCollectionImage sensor1/4inch 480tvl SONY CCD sensorSNR≥60dBMinimum Illumination0.5Lux3AAuto White Balance, Auto Exposure, ...