The Swann Master-Series 4K HD 4 Dome Camera 8 Channel NVR CCTV camera security system is sure to give you peace of mind from every angle. Protect your loved ones & property with this multi-camera, wired surveillance system with everything you need to do-it-yourself or have it professionally installed. Be safe & confident as Swann outdoor home security cameras (camaras de seguridad para casa exterior) have you covered. A perfect home security system (camaras de seguridad inalambricas). See what's happening with digitally enhanced upscaling technology that provides 4K camera resolution & zoom - you won't miss a thing. Know what’s happening at any hour with powerful night vision up to 130ft in total darkness. Add 2 more home camera system (camaras de seguridad para casa) via PoE connections for full 8 channel monitoring. Enjoy local recording onto the massive 2TB hard drive with no fees ever, store months of recordings before it starts saving over older footage. Cut the cost of crime & know what’s happening with this 6 camera security system (6 camaras de seguridad) to suit large homes, offices, small businesses & retail stores. Actively prevent crime as heat & motion trigger sensor lights, mobile alerts & video recordings. Enjoy hands-free security using voice commands. Stream video from your camera via Hey Google & Chromecast, Google Home Hub, or via Alexa devices with a screen, such as Echo Spot, Echo Show or 4K Fire TV. The Master-Series weatherproof design is IP66 rated, meaning they are built to withstand rain, snow & heat, all year round. The Master-Series includes a NVR-8580 8 Channel IP NVR security system with 2TB Hard Drive, NHD-876MSD Dome Cameras security camera outdoor (x4) also can be used as indoor security camera, Cat5e Ethernet Cable x 5 (60ft/18m x 6 & 3ft/1m x 1), HDMI Cable, Power Adapter, Mouse, Mounting Screws & Plugs, Quick Start Guide and Theft Deterrent Stickers. Note: For outdoor camera wireless, please contact Swann team for support. Wireless cameras for home security & wifi camera can be found at Swann's main website.