• Banish Wi-Fi Dead Zones — Dual band AC1900 mesh Wi-Fi system delivers strong Wi-Fi to every corner of your home.
• Flexible Network Naming — Create a single SSID for the entire network or separate SSIDs for each frequency band.
• Feature Rich — Complete router functionality with services such as VPN, adaptive QoS and more.
• Wired Inter-Router Connections — Create an optional wired connection between routers for faster, more stable Wi-Fi.
• Complete Network Security for Family – AiMesh AC1900 WiFi System protects all connected devices from cyber threats and Advanced Parental Controls filter out inappropriate content for your family.

https://www.asus.com/hk/Networking/AiMesh-AC1900-WiFi-System-RT-AC67U-2-Pack/

3 years warranty