[ Safety protection]Safety isolation protection circuit design, don't worry about burning down due to excessive current, it is than other products of the same type. [ No gateway required ]You do not need to purchase a Hub for this device, which is connected to 's WiFi. But a strong WiFi signal is necessary for this device, please try connecting your phone to the sender. The WiFi next to the motivation, if it works, the device work, otherwise please look for a WiFi signal repeater. Connect to faster with WiFi Bluetooth dual mode. Connecting to is twice faster than only WiFi [ APP Remote Control ] Control devices anytime and anywhere through mobile apps. [ Voice control ]Conjunction with , Home, Yandex, and Tmall Genie. Make your garage door intelligent, allowing you to open or close it even when you are not on site. [ APP Remote Control ] Control devices anytime and anywhere through mobile apps. [ History ] You can view the history of the garage door switch [ Offline Function ]When the