Product Features: With this Universal IR Remote Control, you can use your smart phone to control home appliances, such as STB(Set-Top-Box), TV Box, TV, Air Conditioner, Fan, DVD, and RF devices etc. Compatible with most of brands, for details, please refer to the supported brand list in App. Besides, it has LEARNING FUNCTON, allows you to copy the key function of original remote control to App. Note: Not compatible with the home appliances which use RF used Rolling coding or BLUETOOTH remote control. 1. Massive IR Code Database: Support 4000+ brands, 50000+ IR Code on cloud, supported devices library is constantly being updated by the cloud. 2. RF(Radio Frequency) Copy and Repeat: Support RF Copy and Repeat. So it can support Curtanins, Roller Shutter, Window Pusher,Hanger, Projection Screen, Garage Door, Retractable Door, RF Switch, and even customized button. 3. App Remote Control: Remote Control your home appliances by using "Tuya Smart" App in your smart phone anywhere anytime. For example: Switch on home A/C in advance, enjoying the comfortable temperature once you get home. 4. Easy to install and connect to APP: Use the latest Tuya chip. After power is supplied to it, the APP will automatically find it through Bluetooth. You can connect it to the "Smart Life" APP with just a few clicks on the screen. 5. Voice Control: By connecting Intelligent speaker, such as Amazon Alexa, Google Home, Yandex Alice, you are able to control your home appliances by voice. 6. DIY: Customizing buttons in the Tuya Smart App if your home appliances brand is not in the list or not supported.