Thank you for viewing. Software only. Since there is no main unit, I have not checked the operation or battery. Returns and refunds are not possible due to unconfirmed operation. If you have any questions, please be sure to ask before purchasing. Please note that we cannot accept returns or cancellations due to questions after purchase. We cannot answer questions after purchase. If you have any requests for shipping or arrival dates, please check in the comment section in advance. Please note that we may not be able to accommodate your requests for shipping or arrival dates after purchase.