As the industry leader, Kwikset has provided trusted security for over 60 years and has become synonymous with security, peace of mind, style and innovation. The attractive, traditional colonial design of the Cove makes a simple yet elegant statement in any home. The Satin Nickel finish provides a rich and warm complement to the product's style. Both knobs/levers can be locked or unlocked by key on the outside, or turn button on the inside. SmartKey Re-key Technology allows you to control who has access to your home. Re-key the lock yourself in seconds in 3 easy steps. Have you recently moved or had a child lose a key. It?s time to re-key. SmartKey provides the highest level of residential security and features BumpGuard to protect against lock bumping.