The Honeywell Store features an extended selection of Honeywell Digital Security Door Locks that range in design and function. Honeywell Electronic Door Locks are accessible via programmable 4 to 8 user code (keyless entry). Traditional key access is available as well. 50 different user codes can be programmed and deleted as desired for service personnel, office staff or guests. Tested by the ANSI (American National Standards Institute) for residential security, Honeywell Digital Security Door Locks utilize deadbolts that have achieved a Grade-3 Residential Security level. These models also feature backlit keypads that automatically light up when being operated.