Before you buy the **Sonoff (Itead) RM433R2**, check what's inside.

The Sonoff RM433R2 is a 433MHz RF remote control designed for Sonoff RF Bridge and other compatible receivers. It offers a simple way to control smart devices from a distance.

> ⚠️ **NOTE:** Ensure correct battery polarity.

## Quick Specs

- **Manufacturer:** Sonoff (Itead)
- **Model:** RM433R2
- **Protocol:** WiFi
- **Chipset:** ESP/CK Chip
- **Ecosystem:** Sonoff
- **App:** eWeLink

## 🔧 Geek Corner (Flashing Info)

- **Chipset:** Unknown
- **Flashable:** ❌ No
- **Info:** This is an RF-only remote and does not contain a microcontroller that can be flashed with custom firmware like Tasmota or ESPHome.

## User Manual

Scanned pages from the official user manual:

## External Photos

Photos of the device exterior:

## Internal Photos

Teardown photos showing the PCB and components:

## Verdict

The **RM433R2** is a **WiFi** device from the **Sonoff** ecosystem.

📄 Click to view full text manual (SEO)

```text
The device has been evaluated to meet general RF exposure requirement. The device
can be used in portable exposure condition without restriction....
```