The smart door lock I purchased from the Luohe store of Kaidishe is really very satisfactory! Firstly, its quality and security are both very high, making me feel very at ease at home. Secondly, its operation is very simple, even the elderly and children can master it easily. Besides, its after-sales service is also very considerate, leaving me with no worries during the usage. In a word, I highly recommend the products and services of the Kaidishe smart lock Luohe store!