Voice Control and IFTTT - Works with Alexa, Google Assistant and IFTTT ( skill/service). Simply setup with Echo or Google Nest to voice control your IR devices, turn on/off the devices, change channel for the TV and adjust the temperature for the AC. More home automation settings can be added by IFTTT. Siri voice control is also available on iPhone.Compatibility - Supports RF 433MHz fixed code control devices such as curtain/shade motors, projectors, and light switches; does not support RF Rolling Code control devices such as gates and pellet stoves. Supports 50,000+ IR controlled devices such as TV, STB, Air conditioner, Fan, Video Recorder, DVD and more. Option to program your devices and learn buttons if certain cloud data is unavailable.Please Note - RM4 pro only supports 5V 1A adapter and 2.4 GHz (not 5 GHz) Wi-Fi for configuration in the App. Does not work with RF Rolling Code control or learning. Please check the User Manual before purchasing to make sure your RF device is 433MHz and NOT a Rolling Code. Generally, the remote control that needs to be paired for the first use is Rolling Code. If you are not sure, please provide us with the and Model so we can check it for you.Multifunction - Create multiple timers, scenes and routines as you need to control your home IR and RF controlled appliances, such as schedule a time to turn on your TV to a specific channel to watch your favorite game or TV show. Families can share the remote with each other via invite and join function in the app.Technical Support - One-year warranty, 24/7 message support. Video guides are available on our Store page and YouTube. APP has launched a new "Help centre" section, where you can get more help on APP configuration and device usage. Please click "Me"-"Help centre" to find it!