Enjoy the peace-of-mind that comes along with an easy-to-install 4K Ultra HD security monitoring system from Lorex. It features our exclusive 16-Channel D841 4K Ultra HD digital video recorder (DVR) and sixteen 4K Ultra HD dome security cameras. The cameras feature a durable weatherproof aluminum housing and both color night vision in low light settings and infrared night vision in total darkness, ensuring around-the-clock coverage.