Stable lock with errors

The Master Lock padlock E-One arrives at an incredibly inconvenient packaging that can barely aufbekommt. One should with scissors at 4 corners of the package cut (which is really hard and a really stable scissors required). Then you can fold a part of the package, after having pressed yet at a certain point ;-). Anyone who thinks only as a mischief from ??

At the castle itself there is again far too little thought: namely, it has an easy to open the battery compartment on the bottom that can be opened half-way even when the lock is closed!
Well, I imagine, a child hang the lock on his locker and (like the way it is in most schools) other children playing around on the padlock. Then the battery compartment may be quickly broken. Why was not designed that the tray does not open when closed?

Otherwise, the lock makes a very stable impression and it is easy to open and close.
On top of the operating instructions is attached a small sticker on the 5 arrows are displayed. By pressing the corresponding arrows on the lock, it opens!
The battery life is indicated by 5 years, and the small LEDs look chic. Several combinations are programmed into the lock and the bracket above is correct massively.

Conclusion: if you do not mind the difficult unpacking the E-One is actually a great padlock - if only the removable half of each battery would not ...