Estimated delivery time may vary due to the following:
Item location.
Purchase quantities.
Your shipping address.
Selected shipping carrier.
Date of confirmed payment.
Seller's processing time on item customization.
Order status can be shown at your Buyer Center.
1. More options to open the door:
APP (android and ois system) ;
Bluetooth, code, mechanical key.
2. Remotely authorization to send electronic keys to other people with APP downloaded at any time.
3. He administrator can set up keys' valid time, freeze, unfreeze and delete the keys which are using.
4. Easy to dowloand the software:
1) android mobile phone, scan the qr code;
2) apple mobile phone, search from APP store.
Quality guarantee time: 12 months
