Application for QK-W013/W015 WIFI controller. Operators can control QK-W013/W015 WiFi controller through computer. This application was designed for Quark-elec QK-W013. However it can be used for QK-W015 as well. However, it can only control the module only if the computer and QK-W015 are connected with the same AP(wireless router). In another word, it doesn't support far end control through internet.