The Swann Home 4 Channel 1080p Full HD DVR Security System provides 24/7 surveillance with its 1080p HD cameras featuring microphones, controllable sensor spotlights, and red & blue flashing lights to deter intruders. It includes a 1TB hard drive for extensive recording and supports heat and motion detection for accurate alerts. The system is weatherproof and offers color night vision, ensuring clear footage day and night. Prevent Crime: Controllable sensor spotlights with red & blue flashing lights deter intruders. Hear What's Happening: Cameras have microphones to stream & record audio. True Detect: Heat & motion-sensing for more reliable alerts. 1080p Full HD: Crystal clear video & close-ups. Weatherproof: Cameras work in rain & snow, all year round. Color at Night: Night2Day lets you see amazing colour video at any hour. Free Recording: Retain video up to 12 months onto 1TB hard drive and back up to the cloud. Wired: Set & forget, reliable multi-camera wired connection. Speak to See: Go hands-free with Hey Google or Alexa. Connect the DVR to a screen to view the live feed and recordings from all your cameras and use the Swann Security app for easy remote access from your phone. You can keep all your recordings stored on the 1 TB hard drive (that should be enough for the whole year) and back them up to your Dropbox or USB flash drive - no subscription needed. Bright warning lights help deter potential intruders, and you'll receive an alert on your phone whenever the sensors are triggered. The cameras are also weatherproof, so no matter the conditions, your CCTV system will always be working to keep your home safe.