This is a compact wireless LAN repeater from BUFFALO. I haven't used this product much since I replaced my router after purchasing it. Model number: WEX-1166DHPS This model is suitable for expanding your Wi-Fi environment and ensuring stable communication, and is recommended for improving your home internet environment. Because it's made by BUFFALO, the setup is relatively easy to understand, making it user-friendly for beginners. Other information can be downloaded from the following BUFFALO official website: https://www.buffalo.jp/product/detail/manual/wex-1166dhps.html [Specifications] Standards: IEEE802.11ac / IEEE802.11n / IEEE802.11a / IEEE802.11g / IEEE802.11b Security: WPA2-PSK (AES), WPA-PSK (AES), WPA/WPA2 mixed PSK (AES/TKIP), WEP (128/64bit), Any connection refusal, Privacy mode, MAC address filtering (maximum number of registered devices: 64) The device has been initialized to factory default settings using the reset button on the side of the unit. Please check the photos for the condition.