Sonoff Dual R3 Lite – Wi‑Fi Smart Dual Relay Switch

2-channel Wi‑Fi smart switch module for remote control and automation

The Sonoff Dual R3 Lite is a **Wi‑Fi smart dual relay switch** that allows independent control of two electrical circuits, such as lights, fans, or curtain motors, via the **eWeLink app**. It supports manual control using external switches and can be installed inside electrical boxes or on a DIN rail. Unlike the full Dual R3 version, the Lite model does not include real-time power monitoring.

Key Features

• Dual Channel Control: Control two loads independently via app or manual input
• Motor & Switch Mode: Operates curtain/shutter motors or standard ON/OFF loads
• Wi‑Fi Control: 2.4 GHz IEEE 802.11 b/g/n
• Remote App Control: Use the eWeLink app for on/off, schedules, timers, and smart scenes
• Voice Assistant Support: Works with Amazon Alexa and Google Assistant
• External Switch Inputs: Connect traditional wall switches for manual control
• DIN Rail Mountable: Includes bracket for DIN rail installation

Technical Specifications

• Manufacturer: Sonoff / Shenzhen Sonoff Technologies Co., Ltd.
• EAN: 6920075776966
• Model: Dual R3 Lite
• Input/Output Voltage: 100–240 V AC, 50/60 Hz
• Resistive Load: Max 2200 W / 10 A per channel, 3300 W / 15 A total
• Motor Load: 10–240 W / 1 A
• Wireless Protocol: Wi‑Fi 2.4 GHz
• Material: Flame-retardant PC
• Dimensions: Approx. 54 × 49 × 24 mm
• Operating Temperature: ‑10 °C – 40 °C
• Certifications: CE, FCC, RoHS

Applications

• Remote control of lights, fans, or appliances
• Curtain/shutter motor control in motor mode
• Scheduling and timers via eWeLink
• Smart scenes and automation via app
• Manual control with traditional wall switches

Package Contents

1 × Sonoff Dual R3 Lite Wi‑Fi Smart Dual Relay Module
DIN rail mounting bracket
User Manual

Quantity Per Unit

1 × Sonoff Dual R3 Lite per package

Keywords

Sonoff Dual R3 Lite, Wi‑Fi smart switch, dual relay controller, eWeLink app, Alexa & Google Assistant compatible, motor control switch