Code-A-Key 11-7414 Satin Nickel Electronic Keyless Door Lock Deadbolt System Eliminates lost keys, accidental lockouts & duplicate key security risks User programmable entry codes (up to 2) are easily changed whenever necessary Unlock doors quickly & easily without the hassle of fumbling for a key Deadbolt locks with one press when exiting or by turning knob when inside Replaces standard deadbolt