Brand New Black Series Portable Electronic Key Finder. The BLACK SERIES Smart Key Locater will find missing items in no time. Just press the remote and it sends a ping to the transmitter located on the key fob to allow anyone to find them in seconds. Rings up to 45 feet that penetrates walls, leather, doors, and more. It's safe and effective while remaining functional and discreet. This handy gadget is very easy to use and doesn't require apps to be downloaded, which makes it more suitable for older people and children. Get tracking right out the box! Never lose keys or travel bag again! Specifications: Two stylish and compact keychain fobs. One remote transmitter with an impressive 45-foot range. Distinctive alarms for easily finding missing keys. Durable design. Keychain fob batteries included