Sonoff DUALR3 Wi-Fi smart switch module

The Sonoff DUALR3 Lite is a versatile Wi-Fi smart switch module designed for seamless integration into your home automation setup. It allows you to control two separate electrical circuits or devices independently, making it ideal for applications like lighting, motorized curtains, blinds, and other appliances.

🔧 Key Specifications

Model: DUALR3 Lite

Input Voltage: 100–240V AC, 50/60Hz

Maximum Load: 10A per channel / 15A total

Wi-Fi: IEEE 802.11 b/g/n 2.4GHz

Dimensions: 54 × 49 × 24 mm

Operating Temperature: -10°C to +40°C

Operating Humidity: 5%–95% RH, non-condensing

Material: Flame-retardant PC V0

⚙️ Features

Dual Independent Control: Manage two devices or circuits separately through the eWeLink app.

Motor Mode: Control bidirectional motors for applications like roller shutters or blinds.

Switch Mode: Operate two independent switches, suitable for lighting or other appliances.

Voice Control: Compatible with Amazon Alexa and Google Assistant for hands-free operation.

Timer Functions: Set schedules, countdowns, and loop timers for automated control.

Smart Scenes: Create customized scenes to trigger multiple devices simultaneously.

LAN Control: Operate devices locally without relying on cloud services.

DIN Rail Mounting: Supports installation on DIN rails for organized setups.

⚠️ Limitations

No Power Monitoring: Unlike the standard DUALR3, the Lite version does not support power consumption tracking.

No Calibration for Motor Mode: Lacks percentage-level precision control for motorized devices.

🛠️ Installation & Setup

Power Off: Ensure the power supply is turned off before installation.

Wiring: Connect the live, neutral, and load wires to the corresponding terminals on the DUALR3 Lite.

Mounting: Install the device behind your existing wall switch or on a DIN rail.

Power On: Restore power and pair the device with the eWeLink app.

Configuration: Set up desired modes (switch or motor) and configure timers or scenes as needed.

📦 What's in the Box

1 × Sonoff DUALR3 Lite Smart Switch

User Manual