Thank you for viewing. Panasonic CN-RA03D This is a used item. Please check the manufacturer's website for product details. I cannot answer questions regarding functionality or installation. The product has been initialized. Everything in the photos is included. Please check carefully. This is a used precision instrument. There is no warranty. If you are concerned, please purchase a new one. Returns are not accepted to prevent issues such as product substitution. Shipping may take some time due to work commitments. Thank you for your understanding.