DD-WRT - Buffalo WZR-300HP Router Repeater Bridge USB VPN Ready WiFi WAN Wireless N Access Point AP [DD-WRT PREINSTALLED] These routers are flashed by us with DD-WRT. They are then tested to assure perfect working order! We reset the router to default settings before shipment. It will prompt you to set your own username and password when you log into the web interface. All routers come with a 1 year warranty!