Vanma smart passive lock, its appearance is similar to mechanical lock, but with a standard smart lock cylinder embedded in it, it is a high-security lock with information task management function.

Easy to Replace Mechanical Lock
You don't need to change your door or any devices. The size of passive locks is the same as that of the mechanical lock on the market. We also could provide customized service as your needs.
No Power, No Wiring Be Fearless of Harsh Environment
All smart electronic locks have no power, and you don' t need to wiring and maintain them anymore. So they could be used in the harsh environments.

Four Models of Smart Electronic Keys
The smart electronic key is the application core of the whole smart lock system, with unique 64-bit ID identification code, AES128 encryption mode, contact two-way verification, more security, and reliability, built-in battery of the electronic key, which can power and operate the lock, and voice prompt various working status.
Every electronic key has different functions, Blue-tooth/ Fingerprint, meet your different demands.
Operate Software Anywhere Anytime
The SmartLock Management System could be suitable many kinds of devices, computer/ pad/ mobile phone. It is more convenient for you to manage your lock system.
Unique System Code Stop Strange Key
There is one unique system code for every software. It will be used to identify and stop strange key to unlock our locks, to protect the unlocking security.
Define User Permissions by your Own
You could add many login accounts and assign them different pemissions for different workers. No more worying about workers change records.
Easy Management Lock and Key
Four Lock's status, four key's status. You could modify them when the status change. Clearly be shown in the list.
Distinct Unlocking Report
You could inquiry all the unlocking record and filter the report by key and time. Export unlocking report is also easy.
Smart Design to Deal With Accidents
Provide solution for any kinds of accidents. Setup unlock permission to solve your worries,Blacklist solve the key loss problem
Forget password function make your management more easier.
Flexible Authorization Unlock Permissions
You could setup when and who could unlock which locks. They could not unlock without authorization, even if they have key.