HUNE digital smart lock also include keypad smart lock. Password is the most secured but also the most dangerous unlock way. Password is in your mind that hard to be puzzled but once it is peeked it is not secret anymore. So HUNE keypad smart lock have scramble function that you can insert over 25 digits then only the 4-6 of them is the real password by your setting. HUNE keypad lock also have card function to help you true the accommodation rental function. The Mifare system of HUNE digital smart keypad lock has encryption to double secure. HUNE also have blue tooth and wifi function keypad lock to true the remote control or monitor function. And this is a great function for Airbnb.