WiFi Smart Switch 16A/20A | Tuya App, Alexa & Google Home, 433MHz RF, 2-Way Control – Mini Breaker Relay

High-Current Smart Control in a Compact Package — 16A/20A WiFi Smart Switch

Add full smart home control to any device or circuit with this WiFi smart switch. Available in 16A and 20A variants, this compact Tuya-compatible relay fits inside junction boxes and behind existing switches, giving you app, voice, and remote control over lights, appliances, and high-load devices — without replacing your existing fixtures. Works with Amazon Alexa, Google Home, and the Tuya Smart / Smart Life app right out of the box.

Key Features

• 16A or 20A High-Current Capacity — Choose the 16A or 20A variant to match your load requirements; handles lights, fans, appliances, water heaters, and other high-load devices on AC 100–240V
• WiFi + 433MHz RF Dual Control — 2.4GHz WiFi (802.11 b/g/n) for app and voice control from anywhere; 433MHz RF for local wireless remote control
• 2-Way Control — Control the switch from two locations simultaneously; ideal for stairways, hallways, and rooms with multiple entry points
• Voice Control — Compatible with Amazon Alexa, Google Home Assistant, and Tmall Genie; use voice commands for hands-free control
• App Remote Control — Control from anywhere via the Tuya Smart or Smart Life app; works over 4G or WiFi from any location worldwide
• Scheduling & Countdown Timer — Set schedules and countdown timers to automate when devices turn on/off
• Group Control — Group multiple switches for simultaneous control; perfect for whole-room or whole-home scenes
• Multi-User Sharing — Share device access with family members; main account retains full control and security
• Smart Scene Integration — Link with other Tuya smart devices to create automated scenes triggered by time, location, or other conditions
• Ultra-Compact Design — 40×40×21mm; fits inside standard junction boxes and behind wall switches without modification
• CE Certified — CE certified for safety and quality

Specifications

• Material: PC Plastic
• Color: White
• Input/Output: AC 100–240V, 50/60Hz
• Maximum Current: 16A or 20A (select variant)
• WiFi: 2.4GHz 802.11 b/g/n (5GHz not supported)
• RF: 433MHz
• App: Tuya Smart / Smart Life
• Voice Assistants: Amazon Alexa, Google Home, Tmall Genie
• Dimensions: 40 × 40 × 21 mm
• Certification: CE

Perfect For

Smart home builders, homeowners, and renters looking to add remote and voice control to existing lights and appliances without replacing fixtures. Explore our full home and lifestyle collection for more smart home products. For smart relay switch tips, visit CNET’s Smart Home Guide.

Makes a practical gift for smart home enthusiasts, DIY home improvers, and anyone building out an Alexa or Google Home ecosystem.

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.