Based on Bluetooth mesh, this RF+Bluetooth curtain motor controller supports various curtain types: roller blinds, shutter blinds, drapes, etc., and is controlled by smart app or directly by wireless RF remote. It can be locally controlled with external switches even if not paired to a smart phone, and can be controlled through both smart App and remote controls, without gateway required. By virtue of accurate control, this controller supports both ON/OFF and level control. Besides, this device can easily and quickly pair to the smart App by simply pushing the K2 button. With mesh network and much longer control distance, it can transmit received signal to neighbor devices, with maximum 30m transmission distance between every two neighbor devices. Encrypted two-way communication and quick status feedback enable safe & reliable data transmission.Moreover, this curtain motor controller is compatible with universal RF+Bluetooth remotes, and each controller can pair to max. 8 remotes. Cloud control is available for remote access. In addition, this control can be controlled by external on/off switches, and is easy to be Installed into a standard wall box thanks to its mini size. Its radio frequency is 2.4GHz, and its waterproof grade is IP20.