This is a remote control that came with a Sony recorder. It is a junk item and batteries are not included. [Product Condition] ・It does not work as it is a junk item. ・There is dust in the gaps. ・There are small scratches and dirt from use. Please check the compatible models yourself before purchasing. Compatible models: BDZ-E510 BDZ-E520 BDZ-ET1100 BDZ-ET1200 BDZ-ET2100 BDZ-ET2200 BDZ-EW1100 BDZ-EW1200 BDZ-EW510 BDZ-EW520 Please understand that this is a junk item before purchasing. It will be shipped via Yu-Yu Mercari Bin or Kurakara Mercari Bin.