Additional Details ------------------------------ Product description: Lorex DK181-48CA 4K Ultra HD Analog 8-Channel Security System with 1 TB DVR and Four 4K Ultra HD Bullet Security Cameras with Color Night Vision, Advanced Motion Detection, and Smart Home Voice Control Analog system includes: ; 4K Ultra HD D841A81B 8-channel digital video recorder preloaded with 1 TB hard drive and four 4K Ultra HD C841CA security cameras ; Four 60 ft. BNC/DC UL(R) certified extension cables, power adapter, 4 mounting kits, HDMI(R) cable, Ethernet cable, and DVR power adapter ; USB mouse and quick-setup guide; Compatible with Amazon(R) Alexa(R) and Google Assistant(TM) to quickly access footage and select features; Ability to view live or recorded video directly on TV with smart home capability that is compatible with Apple TV(R) or Chromecast(TM); Reduces unnecessary alerts and false alarms with advanced person and vehicle smart motion detection available on 4 channels; Push notifications are sent when motion from a person/vehicle is detected; Works with Lorex Home(TM) app; Can be used with or without connection to the Internet; Remote viewing, push notifications, and firmware updates require Internet connectivity; 4K DVR features:; 1 TB security-grade hard drive; expandable up to 8 TB total--no monthly Cloud fees; Local storage ensures only designated user can access footage; 4K (8.0 megapixels) camera features:; 87deg field of view; Enhanced night time clarity and better video evidence with Color Night Vision (ambient lighting required); IR night vision range of 120 ft. in ambient lighting or 82 ft. in total darkness; Weatherproof (IP67) for outdoor or indoor installations, extreme temperature performance; Product is Discontinued;