TimeSwitchII

• Tranform your XLN lock into a timelock simply by connecting the
  TimeSwitchII to the back of the lock.
  
  
• No batteries to change : The TimeSwitchII takes its power from the
  batteries of the keypad.
  
  
• Changing the batteries of the keypad does not affect the
  programming of the lock or TimeSwitchII.
  
  
• Very easy programming : once it is programmed, you can
  forget about it.
  
  
• Very affordable.