Feature:1. USB INTERFACE: The smart controller is designed with mini USB interface and does not need an adapter and battery, suitable for devices with USB ports.2. HIGH FREQUENCY: The controller supports high frequency (433MHz) control device, the supported device library is continuously updated through the cloud.3. APP CONTROL: This controller is suitable for Tuya APP, can manage home devices through voice commands, support sharing control with family members.4. APPLICABLE DEVICE: Support more than 80000 IR control devices such as TV, set top box, air conditioner, fan, and more than 6500 brands of household appliances.5. DIY FUNCTION: The smart WiFi IR remote controller supports DIY function. Learn the original controller manually as needed to solve more problems.Specification:Item Type: USB Smart ControllerMaterial: PCColor: BlackCommunication Mode: WIFI, WIFI and RF433Wireless Type: 802.11 b/g/n 2.4GRF Frequency: 433.92MHz.Package List:1 x Controller1 x User ManualNote:1. Support 2.4GHz WiFi (not 5GHz).2. Please put the USB controller in a free place.3. USB controller can only control the electrical appliances in one room (cannot control the partition)