DORMAKABA EE1000 Series EE1021B Back To Back Digital Lock With Key Override On Both SidesThe weather resistant Simplex EE1000 series from dormakaba (formerly known as Kaba) is a fully mechanical digital lock solution, eliminating the hassle of frequent battery replacement. The lock can be easily programmed via the 5 push button keypad and does not require the lock to be removed from the door. This back to back knob operated digital lock supports a single access code and features key override on both sides of the lock. Non handed; field