The Sony Beta movie Model BMC-110 with AC Power Adaptor AC-M110 is a controller unit specifically designed for Sony Beta movie players. This model is reliable and efficient in controlling the playback of Beta movies with ease. Additionally, the included AC power adaptor ensures uninterrupted power supply for smooth movie viewing experience. Made by the trusted brand Sony, this controller unit guarantees high-quality performance and compatibility with Sony Beta movie players. Not tested. It has power and the cassette door opens. I don’t have tapes to test. Send questions if you have any.