- Brand: SONY - Model Number: RMT-TX301J - Battery Compartment: AA x 2 ※ Infrared emission from the camera confirmed with button press, disinfected, some display scratches. As this is a used item, there may be fine scratches and dirt in the gaps of the buttons. Please refrain from purchasing if you are seeking perfection, and only purchase if you understand that this is a USED item. The images are everything, so please confirm the model number. If there are any defects, please contact us before leaving a review. We will respond with returns, exchanges, or refunds. (Returns due to incorrect model number purchased or cancellations due to customer's circumstances are not accepted.) To prevent any problems, please send a message before purchasing if you have any questions or would like additional photos.