The Obsidian touchscreen electronic deadbolt is a keywayless, low-profile, one-touch locking motorized deadbolt. With your personalized code, you can enter your home with the convenience of keyless entry and the LED illumination provides increased visibility. It features patented SecureScreen technology to prevent code detection from fingerprints on the touchscreen. Obsidian is easy to install, program and use, and operates on 4 AA batteries. This deadbolt can be locked or unlocked by using the keypad from the outside as well as the turn button from the inside. The crisp, clean appearance of the Satin Nickel finish adds to the overall look of the product and brings a modern feel.