This smart knob is the perfect addition to any home or office. With its sleek black color and brass material, it adds a touch of sophistication to any door. The key included in the package ensures that only you have access to your space. The Geek Smart Knob Fingerprint Access is designed to provide easy and convenient access to your property. Its unique fingerprint technology ensures that only authorized persons have access to your space. This smart knob is a must-have for anyone who values security and convenience.