... : 13.5KG/14.5KG Smart film mechanical lock function: 1.The cabinet made of high quality ... , self-locking function in one of the electronic lock. 3. Motor drive, just remember password is ... and it automatically open. 4. Senior cylindrical chip lock, anti-drilling and copy-protected, very safe and ... : two emergency key, four batteries, a manual, an external power supply box, two explosions screws.