This is a set of vintage Polaroid Spectra System Control 7030 receiver and 7020 transmitter, designed for remote operation of Polaroid Spectra series instant cameras. This set includes a wireless receiver with antenna and a handheld transmitter unit. Compatibility: Designed exclusively for Polaroid Spectra series cameras. A very popular accessory for vintage camera collectors to complete their camera kits. This is a used item. Please check the photos carefully to assess the condition. Operation has not been confirmed. It has been stored at home for a long time, and as there is no equipment to test its operation, it is being sold as junk. I have no knowledge of this product, so I cannot judge its condition. It is an unwanted item and has not been maintained, so it is considered junk. Would anyone who can repair it be interested? Due to being a used item, there are noticeable stains and scratches.