You are on your holiday or a friend of your borrowed you his summerhouse and you just got an SMS code. What to do now ? Here is all what you need to do to get the door open or close. Just follow the next few steps, it is absolutely simple and smart.
You can easily open or close the door by sending an SMS. In the SMS after the "Key" word you should type in the code you got earlier and finish with "lock" or "unlock" depending what you want do do.