SIERA SDR 0116HD-5/1 16 CHANNEL Designed for professional security applications. Easy setting interface.Special and ease interfase for search, playback and backup 720p/1080presolution supported in all the channels. Remote viewing in Win, Mac,IPhone, iPhone, iPad, iPod, Android phones, Android tablets, Android deviceTV, etc. Free Siera DDNS. WiFi and 4G modules optional. Double videooutputs at the same time: VGA, HDMI. Silent system. Free 192 cameras CMSwhich support 1080p resolutions 90 Days Warranty