... etc equip ment managementService & advantage:Each customer enjoys free, timely, personalised, professional before-sale/after sale service ... One year contract quality warranty and whole life service;Free SDK,DEMO, software upgrading or online technology upgrading; ... image acquisition functionoptionalPixel: 100,000,0 pixelNight vision range:3-5 metersWi-Fi communication functionbuilt-inProtocol:IEEE 802 ...