Alpha Remote Free is a setting monitoring application for Sony Alpha A900, A850 or A700 DSLRs. ——— Important note ———- You need one of Sony Alpha A900 or A850 or A700 DSLR, computer with WIFI. Laptop is more suitable and convenient but a desktop can be used as well. You need a server part of the software. Use the following link to request your server copy http://dslrsoftware.com/request_free_server.php You can also request a server from your Android device from the connect screen of the Alpha Remote Free. The server part must be installed on the computer. Then you need to connect you camera to that computer via USB cable. Camera must be in "Remote PC" mode. Contact us via the support link below if you have any additional questions.