DW2RF Reset & Teardown (FCC ID 2APN5DW2RF)
Factory reset and internal photos for Sonoff (Itead) DW2RF. Sonoff smart plug.
January 16, 2026
•
1 min read
Before you buy the Sonoff (Itead) DW2RF, check what's inside.
The Sonoff DW2RF is a battery-powered wireless door/window sensor that communicates via RF 433MHz, not WiFi. It is designed to work with Sonoff RF bridges and the eWeLink app for remote notifications when a door or window is opened or closed.
⚠️ NOTE: Ensure correct battery polarity when replacing the CR2450 battery.
Quick Specs
- Manufacturer: Sonoff (Itead)
- Model: DW2RF
- Protocol: RF 433MHz
- Chipset: ESP/CK Chip
- Ecosystem: Sonoff
- App: eWeLink
🔧 Geek Corner (Flashing Info)
- Chipset: ESP8266
- Flashable: ❌ No
- Info: The DW2RF is an RF-only sensor and does not contain a microcontroller that can be flashed with custom firmware like Tasmota. It relies on a proprietary RF protocol.
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 DW2RF is a WiFi device from the Sonoff ecosystem.