You are purchasing two ASUS RT-AC1900 routers.  The routers are running firmware for the RT-AC68U, updated 4/15/2024 and still supported.

The ASUS RT-AC1900 Dual Band Wireless Router is a high-speed network router with a maximum wireless data rate of 1900 Mbps and a maximum LAN data rate of 1300 Mbps. It features beamforming, VPN capabilities, and is suitable for gaming. The router has four LAN ports and is designed for wireless (Wi-Fi) connectivity. It is black in color and has a model number of RT-AC68U. The router is not a non-domestic product and does not come with a custom bundle. It also supports AI Mesh Network.