The Sonoff DUALR3 Dual Relay Smart Switch is a 100% original, quality-verified product engineered for dependable daily performance in Bangladesh. Explore the official technical specifications, key features, and latest price in Bangladesh below.

Sonoff DUALR3 Dual Relay Smart Switch Specifications

• Brand: Sonoff

• Model: DUALR3

• Channels: 2 independent relays

• Input Voltage: AC 100–240V, 50/60Hz

• Power Metering: Per channel (V, A, W)

• Modes: Switch mode & motor mode

• Motor Control: Roller shades, blinds & curtain motors

• External Switch: 6 switch types supported

• Wireless: Wi-Fi 2.4GHz

• App: eWeLink with Alexa & Google Assistant

Key Features & Official Highlights

• The Sonoff DUALR3 Dual Relay Smart Switch controls two separate lights or appliances from one compact module.

• Each channel measures its own voltage, current and power so you can track energy use.

• Motor mode turns electric curtains, blinds and roller shades into smart window coverings. Open and close positions can be set by percentage for precise control.

• Six external switch types are supported for two-way wall switch control, as listed on Sonoff Official.

• App, voice and automation control all work through the eWeLink ecosystem. Setup is done through the eWeLink app on 2.4GHz Wi-Fi in just a few minutes.

• Installation is done inside an existing switch box or ceiling cavity, keeping the setup neat and invisible.

Why Choose This Official Model?

Automating two switches usually means two separate devices. The Sonoff DUALR3 Dual Relay Smart Switch handles both channels plus energy tracking in a single gang box, or adds smart control to motorized curtains. It is a smart, space-saving choice for apartments with motorized curtains or rooms with two main lighting circuits.

Sonoff DUALR3 Dual Relay Smart Switch Price in Bangladesh

If you are looking for the best Sonoff DUALR3 Dual Relay Smart Switch price in Bangladesh, TechSajjad guarantees 100% authentic products. We provide strict quality control and a reliable 1 Year Official Sonoff Warranty. Order your original Sonoff DUALR3 Dual Relay Smart Switch online today with fast delivery across Bangladesh.