1920 x 1080 pixels Channels quantity: 4 channels USB connectivity Ethernet LAN HDD interface: Serial ATA 4 TB Black Security Made SmarterCut the cost of crime & know whats happening with this Full HD 1080p security system to suit homes, offices, small businesses & retail storesSee More in Full HD 1080pFull HD 1080p resolution lets you discern important details which are essential for evidence, such as faces & license plates Set & ForgetEnjoy free local recording for up to a whole year+ onto a massive 1TB hard drive & save footage directly to your personal Dropbox accountExpand when NeededAdd up to 4 compatible cameras for full 4 channel monitoringOne App, Complete SecurityThis product is compatible with the Swann Security app ecosystem. You can connect otherworks with Swann Securityproducts to create your own safe home.Speak to SeeEnjoy hands-free security using voice commands. Stream video from your camera via the Google Assistant & Chromecast, Google Home Hub, or via Alexa devic