・This is the RC-541S remote control for ONKYO's FR-7DV, FR-9DV, FR-7GXDV, and FR-9GXDV. ・I have confirmed that infrared light is emitted from all buttons. ・It has been cleaned and is free of dirt, but as it is a used item, there may be scratches and minor imperfections. 　There is some sun discoloration on the side. There are no major scratches. 　There are no signs of battery leakage inside the battery box. ・Two separate AA batteries are required. Please prepare them yourself. As it is also listed on other sites, please comment before purchasing.