The Sonoff 4CHPROR3 4-Channel 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 4CHPROR3 4-Channel Smart Switch Specifications

• Brand: Sonoff

• Model: 4CHPROR3

• Channels: 4 independent relays

• Load: 10A per channel

• Input: AC 100–240V or DC

• RF Control: 433MHz

• Modes: Self-locking, inching & interlock

• Output: Dry contact supported

• Mounting: DIN rail

• App: eWeLink with Alexa & Google Assistant

Key Features & Official Highlights

• The Sonoff 4CHPROR3 4-Channel Smart Switch controls four separate circuits from one DIN-rail module.

• Each channel can be set to self-locking, inching or interlock mode for lights, door locks or motors.

• 433MHz RF remote control works alongside the eWeLink app and LAN control. Inching mode sends a short pulse, which suits magnetic locks and gate controllers.

• Dry-contact output allows control of gates, garage doors and curtain motors, as described on Sonoff Official.

• It connects directly to Wi-Fi with no extra gateway required. Channels can be named and grouped in the eWeLink app, making it easy to manage each zone. Status of every relay is visible at a glance from your phone.

• Each channel is rated for 10A, making it suitable for lighting zones, pumps and other moderate loads in homes and shops.

Why Choose This Official Model?

Offices, shops and duplex homes often need several lighting zones and access doors controlled from one place. The Sonoff 4CHPROR3 4-Channel Smart Switch centralizes four circuits in a single tidy box. It is a reliable foundation for small business automation and multi-zone home lighting setups.

Sonoff 4CHPROR3 4-Channel Smart Switch Price in Bangladesh

If you are looking for the best Sonoff 4CHPROR3 4-Channel 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 4CHPROR3 4-Channel Smart Switch online today with fast delivery across Bangladesh.