Works without any problems. The power adapter is not included. The first photo is a stock image. [The following is quoted from Amazon's product description] ・Supports numerous streaming apps ・Netflix, YouTube, Hulu, Amazon Prime Video, DAZN, dTV, GYAO, U-NEXT, AWA, Spotify, Uta Pass, etc. ・Supports over 800 apps. You can enjoy various content such as TV shows, movies, videos, music, games, and sports. ・Wireless: Compatible with all wireless networks ● Wi-Fi 802.11ac (2.4 GHz / 5 GHz) ・For more information, please visit g.co/chromecast/apps (Some content requires a paid subscription.) ・Length: 51.81 mm Width: 13.8 mm Diameter: 51.9 mm