This is a genuine Sony BD recorder remote control. Model number: RMT-B007J Operation has been confirmed on Sony recorders. It has been disassembled and cleaned before listing. There are signs of use, such as faded lettering and scratches. It works, but please refrain from purchasing if you are concerned about the condition. Compatible models: Can also be used as a substitute for RMT-B005J (some specifications differ). BDZ-AX2700T BDZ-ET2000 BDZ-ET1000 BDZ-EW2000 BDZ-EW1000 BDZ-EW500 BDZ-E500 BDZ-AT300S BDZ-AT350S BDZ-AT500 BDZ-AT700 BDZ-AT750W BDZ-AT770T BDZ-AT900 BDZ-AT950W BDZ-AT970T BDZ-AX1000 BDZ-AX2000 BDZ-EX3000 *Batteries are not included to prevent leakage.