Mini Wireless N USB Adapter Tp - link Model TL - WN823N Get Fast & Reliable WiFi - Anywhere 300 Mbps WiFi - USB 2.0 WPS Button Package Contents - Mini Wireless N USB Adapter TL - WN823N - Quick Installation Guide - Resource CD Specifications - Standards IEEE 802.11b/ g n Interface USB 2.0 - LED Status (Internal - Security WEP, WPA/ WPA2, WPA - PSK/ WPA2 - PSK - Dimensions 1.54*072*0.31 in (39*135