With this for IR Remote Control, you may use your smart phone to control home appliances, such as STB(Set-Top-Box), TV Box, TV, Air Conditioner, Fan, DVD, 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 remote control to App. Note: Not compatible with the home appliances which use RF or Bluetooth-compatible remote control. 1. Massive for IR Database Support 4000+ brands, 50000+ for IR , supported devices library is constantly being updated by the cloud. 2. App Remote Control Remote Control your home appliances by using“for Smart” App in your smart phone anywhere anytime. For example: Switch on home A/C in for advance, enjoying the comfortable temperature once you get home. 3. Easy to install and add to APP Once you the cable line into the device, the device starts to start, and then select the app's"auto scan" function to find device. The whole process takes only a few minutes. 4. Voice Control By connecting Intelligent speaker, such as for Alexa, for Home, you are able to control your home appliances by voice. For example: for Alexa, turn on TV; OK for, set air conditioning temperature to 25 degrees.