Features: 1. Realize the collection of system information, information input information, centralized control of remote control and other functions.  2. Remotely read the lock operation recording, remotely read the lock for recording password, fingerprint, and swipe.  3. Remotely delete the digital password user.  4. Remotely calibrate the clock module.     Specification: Model: G2;  Network: WIFI 2.4G;  Size: 70 X 70 X 26 mm;  Power interface: Type-c USB;  lEEE standard: 802.11 b/g/n;  Power input: DC 5V/500mA;  Scope of application: Household;  Lock bar spacing: Standard (mm);  Color: White;     How to pair the gateway with the lock: 1. Enter into our 'T T lock' App.  2. Get into the 'system setting'.  3. Turn on the power to the gateway. The red and blue lights flash to add.  4. After the APP configures the network for the gateway, it can be added.  When the gateway is successfully added, the gateway automatically searches for the locks bound in the connection account.     Light status description: Red and blue lights flash alternately: ready state, currently can be bound by APP.  Red: The network is not smooth enough to communicate with the server.  Blue: indicates normal working status and cannot be bound.     Package included: 1 X Smart Gateway.  1 X USB Cable.  1 X User Manual