AVATTO WSMD-4 250V Smart Switch Module 1-Gang, No Neutral Required, WiFi 2.4GHz, Tuya Smart, Alexa & Google Home Compatible, 10A/2200W

Older homes often lack a neutral wire, making many smart switches incompatible. The AVATTO WSMD-4 250V Smart Switch Module solves this by fitting discreetly behind your existing wall switch, using only live and load wires. It brings app control, voice commands, and scheduling to any room without rewiring.

Who is it for

Ideal for homeowners, renters, and DIY enthusiasts who want to upgrade lighting or appliance control without major electrical work. Perfect for older buildings where neutral wires are absent, and for anyone building a Tuya-based smart home ecosystem.

Main features

• No neutral wire required – works with existing wiring
• WiFi 2.4GHz connectivity (IEEE 802.11 b/g/n)
• Control via Tuya Smart / Smart Life app, voice assistants, or the existing wall switch
• Compatible with Amazon Alexa and Google Home
• 1-gang design for single switch control
• Timer and schedule functions for automation
• Overload protection for safety
• Fire-retardant PC V0 material

Specifications

• Input voltage: AC 100-240V, 50/60Hz
• Max load current: 10A
• Max load power: 2200W
• Operating temperature: -10°C to 40°C
• Operating humidity: 6% - 80% RH
• Security: WPA/WPA2
• Certifications: CE, RoHS
• Installation: In-wall (behind existing switch)

Tips

Always ensure the power is off during installation. For best WiFi performance, place your router within range. Use the app to create schedules or scenes, and enjoy hands-free control with Alexa or Google Home.