4 Camera 8 Channel 4K Ultra HD Pro Professional NVR Security System

Sensor spotlights with red and blue flashing lights. 2-Way audio - greet guests or warn intruders. 4K ultra HD video. Hands-free with Hey Google or Alexa. Weatherproof cameras. True Detect - heat and motion sensing. Night2Day Color at Night. Retain video up to 6 months with the 2TB hard drive. Smart Video Analytics. Swann Security app. Up to 130ft night vision distance. Video output: VGA HDMI. RCA audio output. (3) USB 2.0 ports. Includes: 8 Channel NVR with 2TB Hard drive. (4) 4K Bullet cameras. HDMI cable. (5) Ethernet cables.