・This is a "substitute remote control" for Sony Blu-ray recorders. ・The buttons that come with the genuine remote control are installed, and all main functions can be used. ・This remote control does not require any settings and can be used immediately after inserting the batteries. (Please refer to the instruction manual if you have changed the remote control mode.) ・The button layout is slightly different. ・Functions that cannot be used with universal, learning, or multi-remotes can also be used. ・This is a "substitute remote control" for Sony Blu-ray recorders. ・The buttons that come with the genuine remote control are installed, and all main functions can be used. ・This remote control does not require any settings and can be used immediately after inserting the batteries. Compatible remote control: RMT-B015J Can also be used as a substitute for RMT-B015N (B015N is the successor remote control to RMT-B015J). Batteries sold separately: AAA batteries x 2 New Compatible models: BDZ-E520 BDZ-E510 BDZ-ET2200 BDZ-ET2100 BDZ-ET1200 BDZ- ET1100 BDZ-EW1200 BDZ-EW1100 BDZ-EW520 BDZ-EW510 149262812 Overall, it has a cheap feel, but the functions are sufficient. Some button layouts are different from the genuine remote, but you may not notice it if you get used to it. The genuine product costs 5,000 yen, while this one is in the 2,000 yen range. It works without any problems, so this is sufficient! Operates Blu-ray recordings without any particular issues, stress-free. Holy 3