DD-WRT - Netgear WNDR4000 Gigabit N Router Repeater Bridge Dual Band VPN Ready WiFi WAN Wireless Access Point AP USB NAS [DD-WRT PREINSTALLED] These routers are flashed with DD-WRT. They are then tested to assure perfect working order! The router is set 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!