This upgraded WiFi Smart Switch Relay Module is designed for higher power appliances and advanced smart home automation. Available in 20A (4400W) and 30A (6600W) versions, this module allows you to remotely control electrical devices via the Tuya / Smart Life App from anywhere in the world.
Whether you’re at home or away, you can turn appliances ON/OFF, set schedules, and create smart scenes easily through your smartphone or voice assistant.
This module is ideal for water heaters, air conditioners, pumps, lighting systems, sockets, and other high-power appliances, making traditional devices smart with simple installation.
Key Features
✅ High Power Support
20A version: up to 4400W
30A version: up to 6600W
Suitable for high-load appliances
✅ Remote App Control
Control devices anytime, anywhere via Tuya / Smart Life App
Supports Android & iOS
✅ Optional 433MHz RF Control
Selected models support 433MHz RF remote control
Ideal for backup control and elderly-friendly usage
✅ Voice Control
Compatible with Alexa / Echo
Compatible with Google Home / Google Nest
✅ Timer & Automation
Scheduled timer
Countdown timer
Create smart scenes for automation
✅ Device Status Feedback
Real-time ON/OFF status displayed in the app
✅ Multi-Device Management
Control multiple smart switches from one smartphone
Secure encryption with WPA-PSK / WPA2-PSK
✅ Certified & Safe
FCC & CE certified
Fire-retardant ABS + PC housing
Designed for long-term stable operation
Product Variations
1️⃣ 20A (4400W) – WiFi Only
2️⃣ 20A (4400W) – WiFi + 433MHz RF
3️⃣ 30A (6600W) – WiFi Only
4️⃣ 30A (6600W) – WiFi + 433MHz RF
Technical Specifications
Input Voltage: AC 85–265V (50/60Hz)
Max Current:
20A version (Resistive Load)
30A version (Resistive Load)
Max Power:
20A: 4400W
30A: 6600W
WiFi Standard: 2.4GHz IEEE 802.11 b/g/n
Control Method:
Mobile App (Tuya / Smart Life)
Optional 433MHz RF(selected models)
Supported Platforms: Android / iOS
Material: Fire-retardant ABS + PC
Security: WPA-PSK / WPA2-PSK
Working Temperature: -20°C to +55°C
*Professional installation recommended for high-power loads.
Ideal Applications
✔ Water heaters
✔ Air conditioners
✔ Pumps & motors
✔ Lighting systems
✔ Smart sockets
✔ Industrial & home automation projects









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