NVR-8580 with 2TB HDD & 4 x 4K Upscale Cameras with Heat & Motion-Sensing Spotlights, Enforcer Red & Blue Flashing Lights, Night2Day™ Colour Night Vision & Audio NHD-875ER Amazing Image Clarity Video to see everything that’s happening by using upscaling technology that digitally creates 4K res. While not the same, these systems have a much higher res. than 1080p. Speak to See Speak to See Use your voice to live stream on any Hey Google or Alexa device with a screen, including Chromecast devices. Customize & use phrases like “Alexa, show the front door”. More Reliable Security With Swann's True Detect, warm objects like people & cars can trigger the lights, push notifications & recording with fewer false alarms to worry about. Your Eyes Outside Mount the cameras outdoors as their weatherproof design is IP66 rated, meaning they are built to withstand rain, snow & heat, all year round. Expandable Coverage Add up to 4 more cameras for a total of 8 to cover any blind spots. Add 4K cameras, which come with exclusive video analytics, like Face Detection, Intrusion Detection & more.
