Sonoff BasicR4 – Wi-Fi Smart Switch (10 A)

Compact Wi-Fi smart switch for lights and appliances

The Sonoff BasicR4 is a single-channel Wi-Fi smart switch that allows you to remotely control connected appliances and lighting using the eWeLink app or voice assistants such as Amazon Alexa and Google Assistant. It features an upgraded ESP32 chip, “Magic Switch” mode, and built-in overheating protection for enhanced performance and safety.

Key Features

• Wi-Fi Connectivity: IEEE 802.11 b/g/n 2.4 GHz, no hub required
• Magic Switch Mode: Maintain smart control even when traditional wall switch is off
• eWeLink App Control: Remote on/off, timers, scenes, and group control
• Voice Control: Works with Alexa and Google Assistant
• Safety Protection: Built-in temperature sensor to help prevent overheating

Technical Specifications

• Manufacturer: Sonoff / Shenzhen Sonoff Technologies Co., Ltd.
• EAN: 6920075741865
• Model: BASICR4
• Input/Output: 100–240 V AC, 50/60 Hz, Max. 10 A
• Maximum Power: 2400 W @ 240 V
• Wireless: Wi-Fi IEEE 802.11 b/g/n 2.4 GHz
• Dimensions: Approx. 88 × 39 × 24 mm
• Weight: Approx. 45.8 g (net device weight)
• Certifications: ISED, FCC, RoHS, ETL, CE, SRRC
• Operating Temperature: -10 °C to 40 °C

Applications

• Remote control of lights and appliances via smartphone
• Smart home automation with schedules and scenes
• Voice-activated control with Alexa and Google Assistant
• Works with external switches and two-way control setups

Package Contents

1 × Sonoff BasicR4 Wi-Fi Smart Switch

Quantity Per Unit

1 × Sonoff BasicR4 per package

Keywords

Sonoff BasicR4, BASICR4, Wi-Fi smart switch, eWeLink smart home, Magic Switch mode, Alexa compatible, Google Assistant compatible, 10 A smart relay.