Operation not confirmed. Junk item. High-performance intercom, WJ-4MED-T model, AC100V power supply, maximum 10W power consumption, compact size. - Model: WJ-4MED-T - Model Number: TM14323B-R - Power Supply: AC100V - Power Consumption: Max 10W - Size: Approximately 20cm x 20cm This product has not been tested for operation, and may have scratches or stains. It is being sold as a used item. For details such as the type of product, Please check the condition in the photos. Please use it for parts or other purposes. We do not guarantee damage or malfunction during shipping, so returns and exchanges are not accepted. Please check the condition photos carefully before purchasing. The product will be delivered as is. Returns, refunds, and exchanges are not accepted for used items. Please note that returns and refunds are not accepted after purchase. Thank you for viewing.