It is compatible with Sony audio systems such as CMT-V9, CMT-V10IP, CMT-V10IPN, and CMT-V11IP. The remote control has an infrared feature and wireless range of less than 5m. This unit comes in a sleek white colour and is sold as a single item. The package does not include batteries, but it comes with a 1-month manufacturer warranty. Upgrade your audio experience with this Sony remote control today!