Product: NL Lock Bright Chrome Premier Non-Rotating Keypad & Swing Bolt Package. PI20-N1. NL Lock Non-Rotating Chrome Keypad. Audible and Visual Feedback. Built-in LED lights for use in dark room conditions. Pull-down Battery Drawer. Manual. EM20-50. NL Lock Rotobolt 9 User Lock Body. The RotoBolt lock can be mounted in all four mounting directions. Further, by flipping the lock, both blocking directions can be realized. The mounting dimensions are standard. The DIA Electronics feature a Main code that can be changed by the user. With the main code up to 9 secondary codes can be activated and deleted. Dual mode, time delay and Dallas key identification are available optional functions. If a valid code has been entered, the lock electronic removes the blocking for 3 seconds and the boltwork can be moved into OPEN position by pushing the bolt inside the lock case. When moving the boltwork into LOCKED position the RotoBolt automatically secures. Manual. LPMA1. NL Lock Keypad Mounting Plate. Can be used with a NL Locks baseline keypads used with the rotobolt locks. The mounting plate allows you to go from horizontal mounting holes to vertical for the keypad.