... 1)waterproof IP66 2)100m night vision,27X Zoom 3)Two-way audio 4)4 motion detection ... and managing by mobile phone, alarming, viewing..no user limited , centralized monitor, remote record and playback , Skype message ... 9,16,25,36, 64,81-channel , no user limited , centralized monitor, remote record and playback , Skype message ... W*H) SONY CCD 480TVL IP66 waterproof zoom ip camera with long infrared range