NOTEOnly support Bluetooth/Required Hub/Please note that this switch will not work in a humid environment.If you encounter any situation where the Fingerbot does not work, please check and browse the documentation of"TROUBLESHOOTING".Modular DesignIts modular design allows users to replace Fingerbot's arm with various tool pack options of Fingerbot for extending its capability in various cases. All you need is to tape the Fingerbot right next to a rocker switch or button with a stripe of the sticker. No swapping, no tools are required.SchedulingUse timer or countdown schedules to set your smart switch to automatically turn on and off while you're home or away.Work with Tuya Bluetooth HubBy working with the gateway, it is compatible with Alexa and Google Home, and can also remotely control your switches.Point-to-Point Conreol with No Hub RequiredTurn on the phone Bluetooth can be paired, you can customize the settings of various functions, perfectly match your life.