Features6 x 4K Ultra HD Weatherproof Bullet Cameras with Smart Motion Detection PlusMotion-Activated Lights and Remote-Triggered Sirens, plus Listen-In Audio and Two-Way TalkColor Night Vision and IR Night Vision up to 150ft (45m)Safeguard Technology Monitors for Missing and Left Behind Items8 Channel 4K Ultra HD NVR with 3TB preinstalled security-grade hard drive