The 6-in-1 Upgraded Smart Lock is a keyless entry electronic lever door lock that allows you to program up to 30 user access codes that can be customized for family, friends or guests. It is easy to install, program and use, and it also features smart key security as a backup key slot. This entry lever can be locked or unlocked using a keypad or key on the outside and a rotary button on the inside. Combine the convenience of keyless entry with the highest residential security ratings and leading designs and finishes to enhance any door in your home. Perfect for a home office, storage room or interior garage door, the 6-in-1 Upgraded Smart Lock provides the right access solution to make your life more convenient, stylish and secure. Our smart locks are available in two styles - traditional and modern to match your home decor. In addition to this, our smart locks are available in three colors: Metallic Black, Premium Gray, Silver Gray.