M40A: No screen and camera, use Tuya APP
M40B: Built-in camera and screen, do not use Tuya APP
The left or right opening direction of this lock can be adjusted.
Due to the difference in light and shooting angle, there may be color difference between the picture and the actual object.
The picture of lock body is for reference only. Different locks will be configured with different lock body. If you have any questions, please contact our customer service. Thank you.