IDEAL FOR HOME THEATER : movie nights , gaming , TV , party , kids watching ,in low-light room UPGRADED CAPACITY : Wireless connection with iphone ,ipad by airplay and Android smart phone by DLNA & screen share. FLEXIBLE CONNECTIVITY : Supports more media players ,PCs , MACs & devices with input options such as HDMI , USB ,VGA ,AV . EASY SETUP : Keystone connection and 360 degree flip ,front & rear projection . Suitable for all users from contries : 90V-240V power supply. NO NEED Voltage conversion