Find your keys with ease using the B BLACK SERIES electronic Key Finder. This set includes two key fobs and one wireless transmitter to make finding your keys a breeze. The wireless jack connectivity allows for easy and convenient use, while the compatibility with universal brands ensures that it will work with any battery. This key finder is perfect for those who constantly misplace their keys or want an extra layer of convenience. The compact design makes it easy to store in your purse or bag, and the durable construction ensures that it will last for a long time. Get your hands on the B BLACK SERIES electronic Key Finder today and never lose your keys again. its new open box looks like some one open it and never used it. Battery are still sealed. But the remote has some marks please see pics.