... resistant, self-locking Motor drive pickling, phosphorating passivatio HOTEL ROOM SAFE BOX Model: LN-608HADimension: 400*350*160mmPackage size: 420*370 ... -pull, tamper-resistant, self-locking function in one of the electronic lock. 3. Motor drive, just remember password is ok. ... cabinet. 6. Spare parts: two emergency key, four batteries, a manual, an external power supply box, two explosions screws.