?HIGH COMPATIBILITY?: BroadLink Wi-Fi Hub RM4 pro support RF (Fixed Code 433MHz) controlled devices such as smart motorized electric curtains/blinds/shades motor, projector and light switch; Support 50,000+ IR(38KHz) controlled devices with full integration such as TV, STB, Air conditioner, Fan, Video Recorder, DVD, and more. Online updated IR library to ensure newer devices are always compatible. Option to program the devices and learn buttons if no available cloud data is matching with. ?TV/AC CONTROL?: Voice control your TV with On/Off, Volume control, Change channel by number/name, Switch input, Play, Fast forward, Rewind, Pause, Stop, Previous, NextVoice control your aircon with On/Off, Temperature, Fan speed, modeWith easy-to-use BroadLink App for iOS and Android, your mobile phone will be a smart remote, you can remotely control your IR/RF devices no matter you are at home or away. ?VOICE CONTROL AND IFTTT?: Works with Alexa or Google Assistant and IFTTT (BroadLink skill/service) . Simple setup with Amazon Echo or Google Home speaker to easily voice control your IR devices. Support IFTTT and Apple Siri voice control for more home automations. ?FEATURES?: Create multiple timers, scenes and routines as you need to control your Home Infrared/RF appliances. Supports external Temperature and Humidity detection of the room where the device located, which will be displayed in BroadLink App. You can easily set triggers, such as turn on your air conditioner automatically when the temperature rises. ?QUALITY TECH SUPPORT?: NOTE: Require a secured 2.4GHz Wi-Fi networks. 5GHz Wi-Fi and mesh network are not supported. Pls confirm the compatible radio frequency range before purchasing: 433MHz (range: 430~440MHz), with fixed code, not rolling code. Some special curtain motor and ceiling fan may not supported, you can consult us before purchasing. Note: RM4 pro requires a 5V 1A USB adapter(NOT included in the package) or an equivalent power source.