Just received and stocked my AB-1200B. At first look I can see that the door locking mechanism is poorly designed. The lock is located at the bottom center of the door. With the door locked you can still open the door just enough to brake the seal. I can see some young kid thinking the door is just stuck and reffing on it and braking the glass door. I have no intension on using it. I see one reviewer complained that the light did not come on when the door was opened. There is a switch to turn the light on near the light. They are only LED's that take little power, create no heat and last almost forever. Just turn them on and leave them on.