Universal IR controller: It supports 50,000+ IR (only 38KHz IR, no RF) control devices, including air conditioners, TVs, TV boxes, DVDs, audio, personal video recorders, and receivers. Large database covering: With a large infrared database covering 98% of the infrared remote-control function, it can be automatically updated on the cloud. DIY function: Customizing buttons in the Tuya Smart App if your home appliances brand is not in the list or not supported. Voice control: Compatible with Alexa / Echo, Google Home, So you can Control your TV, set-top box, air conditioner and fan via voice Scene linkage: Can be linked with other smart devices to complete the scenario linkage Timing/schedule: According to your living habits, set time switches for your home appliances, such as turning on/off the air conditioner at regular intervals.