BroadLink RM4 Pro S IR RF Hub, Temp Humidity Sensor Cable 2.4G Wi-Fi

Price: $46.76
(as of Sep 27, 2026 01:20:09 UTC – Details)

From the brand

About Us

Launched in 2013, BroadLink focuses on smart home control, bringing a convenient and smart lifestyle to over 2 million customers.

Users can control their appliances, lights through smart phones from anywhere, anytime.

We have been working in the field of smart universal remotes, smart bulbs and sensors for more than 10 years, bringing the smart home into a new era with real zero-setup, auto-networking and considerable affordable cost.

Broadlink RM MAX MATTER

Faster Setup. Offline Local Control.

Our next-gen smart hub for IR and RF control.

Upgraded Smart Hub

Smart Universal Remote

FastCon Smart Light Bulbs

Smart Wi-Fi Bulbs and Sensor

RM4 pro and HTS2 Sensor Accessory that integrates the functions of temperature and humidity sensor and power cable. Connect the sensor cable between the RM4 pro and USB adapter just like an ordinary USB cable, at the control panel of RM4 pro in BroadLink app, it will display temperature and humidity of the room where the sensor located. Set the triggers, such as turn on your air conditioner automatically when the temperature rises.
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.
Voice Control and IFTTT – Works with Alexa, Google Assistant and IFTTT (“BroadLink” skill/service). Simply setup with Amazon 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.
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.
IR Control Notice – Infrared signals may be influenced by the environment and obstacles, which can affect the transmission distance. Place the device closer to appliances such as TVs or air conditioners, and keep the line of sight clear to avoid signal blockage. One-year warranty, 24/7 message support.
RF Control Notice – RM4 Pro supports a 5V 1A adapter and 2.4 GHz Wi-Fi (not 5 GHz) for configuration in the App. It does not support RF Rolling Code control or learning. Please confirm that your RF device works at 433 MHz and is not Rolling Code. In general, remote controls that require pairing before first use are Rolling Code. If you are unsure, you may provide the brand and model of your device so we can help check compatibility.
Customers report mixed experiences with the controller’s reliability and usability, with some saying it works well while others find it a nightmare to use. The device receives mixed feedback about setup, with some finding it easy to set up while others find it difficult. While customers appreciate its connectivity features, including controlling devices on other floors and managing multiple remote control units, they report issues with network connectivity, noting frequent loss of internet connection. Customers find the device not user-friendly and consider it overpriced at $35-$40. Compatibility is also a concern, with one customer reporting it doesn’t work with certain devices like fireplaces and garages.