How do I know for sure if I have all the parts and screws to install my Sifely Smart lock?

Question

How do I know for sure if I have all the parts and screws to install my Sifely Smart lock?

Answer

The official installation videos that are associated with each lock show a special segment that covers the parts' information.  

You can find links here: 

https://www.sifely.com/s-smart-lock-tutorials

https://www.sifely.com/x-smart-lock-tutorials

https://www.sifely.com/deadbolt-tutorials

https://www.sifely.com/gunsafe-tutorials