Specification: Origin: Mainland China Type: Wireless Kind: External Adapter Socket: USB Model Number: Network Cards Certification: NONE Wi-Fi Supported Frequency: 2.4G & 5G Color: Black Network speed support (WiFi Speed): 2.4GHz -- 200Mpbs 5GHz -- 433Mpbs Transmission power: 802.11b (CCK) 11Mbps: 17+/- 2dBm 802.11g (OFDM) 54Mbps: 14+/-2dBm 802.11n (OFDM) 54Mbps: 14+/-2dBm 802.11ac (AC80) MCS9: 12+/-2dBm Product material: ABS material+USB iron head Applicable system (OS): for Windows Vista/XP/Win7/8/10/11 Driver free Plug and Play Wireless security support: WPA/WPA2/WEP/8802.1X/WMM Product size: 80-127 * 30 * 10mm/3.1-5*1.2*0.4in Package size: 120 * 90 * 16mm/4.7*3.5*0.6in Gross weight: 40g Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. Included: 1 x USB WiFi Adapter  1 x Instructions