Features: 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 Controller Material: PC Color: Black Communication Mode: WIFI, WIFI and RF433 Wireless Type: 802.11 b/g/n 2.4G RF Frequency: 433.92MHz PackageList:1 x Controller 1 x User Manual Note1. 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)