SKU: IOWC-1557
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Sonoff RM433R2 8-Key RF Remote Control

₹1,049.00 (Inclusive of all taxes)
Out of Stock

The Sonoff RM433R2 is an 8-button RF remote control operating at 433 MHz, designed for direct, Wi-Fi-independent control of compatible Sonoff smart home devices like the D1 dimmer and iFan40.

Features

  • Operates at 433 MHz RF for direct, Wi-Fi and internet-independent control of smart home devices.
  • Controls up to 8 individual RF devices, compatible with Sonoff D1, iFan40, 4CHR3, and 4CHPROR3.
  • Powered by a standard CR2032 coin cell for long battery life and portable, cord-free operation.
  • Offers a reliable indoor control range of up to approximately 30 meters for whole-home coverage.
  • Features a sleek, wall-mountable design with tactile buttons and includes both 3M adhesive and screw mounting options.

Out of stock

Description

The Sonoff RM433R2 Remote Control provides a robust, local wireless interface for Sonoff’s 433 MHz RF ecosystem. It enables direct, low-latency control of compatible smart switches, dimmers, and fan controllers without relying on a Wi-Fi network or cloud connection, ensuring operation even during internet outages. The remote’s simple pairing process allows for instant synchronization with supported devices, making it an ideal solution for reliable, user-friendly home automation.

Built with a focus on durability and ease of use, the RM433R2 features a compact form factor with eight distinct, tactile buttons for precise command input. Its design supports flexible placement, whether mounted on a wall for permanent access or kept portable. This device is a core component for creating a resilient and responsive smart home control layer, independent of broader network infrastructure.

Key Features

  • Direct 433 MHz RF control eliminates dependency on Wi-Fi networks and internet connectivity.
  • Pre-paired compatibility with major Sonoff devices for instant out-of-the-box functionality.
  • Long-range RF transmission supports reliable operation through walls and across typical indoor spaces.
  • User-replaceable CR2032 battery compartment ensures easy maintenance and extended service life.
  • Versatile mounting options with included hardware allow for permanent installation or portable use.
  • Sleek, minimalist design with clearly labeled buttons for intuitive operation.

Applications

  • Direct control of Sonoff smart light switches and dimmers in residential settings.
  • Remote operation of Sonoff ceiling fan and light combo controllers (iFan40).
  • Multi-channel control for Sonoff power strips and relay modules in home automation.
  • Providing a reliable backup control method during Wi-Fi or network outages.
  • Creating simple, localized automation scenes without complex programming or hubs.

Technical Specifications

ModelRM433R2
Wireless Protocol433 MHz RF
Control Buttons8
Power SourceCR2032 Coin Cell
Operating RangeUp to ~30 m (indoors)
Mounting3M Adhesive Tape or Screws
Dimensions (LxW)85 mm x 45 mm
Weight35 g

Frequently Asked Questions

How do I pair the Sonoff RM433R2 remote with my device?

Pairing is typically automatic for compatible Sonoff products like the D1 or iFan40. Ensure the receiver device is in pairing mode (often by power cycling 3-5 times), then press and hold the corresponding button on the remote. The device LED will confirm successful synchronization. Refer to your specific device's manual for precise steps.

What is the maximum control range for this RF remote?

The Sonoff RM433R2 has an effective indoor control range of up to approximately 30 meters in open spaces. Actual range can be reduced by walls, furniture, and other RF interference. For best results, ensure a relatively clear line of sight between the remote and the receiver unit.

Can I use this remote with non-Sonoff 433 MHz devices?

The RM433R2 is pre-configured for seamless compatibility with specific Sonoff products (D1, iFan40, 4CHR3, 4CHPROR3). It uses a proprietary rolling code protocol, making it unlikely to work with Generic 433 MHz receivers without significant reverse engineering. It is designed specifically for the Sonoff ecosystem.

How long does the CR2032 battery typically last?

Battery life depends heavily on usage frequency. Under normal daily use for controlling a few devices, the CR2032 coin cell can last 6 to 12 months. The remote features a low-power RF circuit to maximize battery efficiency. Replace the battery when button responsiveness decreases or the range shortens noticeably.

Package Includes

  • 1 x Sonoff RM433R2 Remote Control
  • 1 x User Guide

Additional Information

Weight 0.05 kg
Dimensions 9 × 4.5 × 2 cm