The picture below illustrates why the gateway is necessary for the wifi&internet feature.
SDK and API download
Please register as a member on Github and download the SDK and API from the webpage below. https://github.com/ttlock
Works or not work with your current lock
Works or not work with your existing door
Packing box size
Time: two years Specifically: within the warranty period, if any obstacles due to product quality problems are found, we will replace the same number of new locks for free, and issue them at the next order.