• Extend fast Wi-Fi from your router – Enjoy the combined dual-band speeds of up to 1200Mbps.
• Improve Wi-Fi coverage throughout your home – Dual-band antenna design with two external antennas extends fast Wi-Fi coverage to every room.
• Easy setup with signal indicator – Find the ideal place for RP-AC55 using the LED signal indicator, and enjoy one-click setup.
• ASUS extender app – PC-free setup of network, anytime, anywhere.
• Easy mode-switching – Instantly configure the best mode for your needs: Repeater, Access Point or Media Bridge.

Warranty : 3 years
https://www.asus.com/Networking/RP-AC55/
** 實際產品規格以實物為準