The Reolink RLK12-800WB4 4K 12-Channel Dual-Band Wi-Fi 6 2TB NVR Kit includes a 12-channel WiFi NVR with 2TB storage capacity, four 4K 8MP Wi-Fi 6 bullet cameras, and a durable aluminum housing. With remote access, two-way audio, and smart alarms, this versatile system offers all-around protection and seamless control over your property. The next generation Wi-Fi 6 technology provides faster streaming and improved network efficiency, while the 4K Ultra HD cameras capture stunning footage day and night. Enjoy continuous recording with the NVR's 2TB HDD and expandable storage up to 16TB. Plus, with WPA3 security, your data and privacy are always protected.