You guys can get the Yale devices from any online or offline store. My opinion is to get the Yale devices from the online stores like amazon, walamart or in their official site. Because they provide the offer and discount- You can save money! Once you got the Yale device- You should integrate the smart device with
the Smart home platforms. Helps More in saving the current and easy for the maintaing your Home smartly....
Refer here to Integrate the YALE WITH GOOGLE HOME.