From 31st Oct 2025, This product is upgrade from ESP8285 to ESP32C3
 
US Tasmota Key Wall Switch
 
Notice:
Canada/Hawaii/Alaska and some small islands are unreachable for shipping from US
 
The ESP32-C3 Smart Wall Switch (US Version) comes pre-flashed with Tasmota firmware and supports Matter, providing a fully local, secure, and flexible smart control solution.
It operates on 100-240V AC, with a single-gang design, perfect for lighting and appliance control in smart homes.
Designed with the ESP32-C3 chip, this switch supports Wi-Fi and integrates seamlessly with Tasmota, enabling MQTT, HTTP, automation rules, and Matter protocol for easy integration with Home Assistant, Node-RED, or other smart home platforms.
 
Voltage Range: 100V - 240V AC (US standard)
Single-Gang Version: compact and modern design
ESP32-C3 Wi-Fi Chip: Reliable local connection
Tasmota Pre-Flashed: Ready for immediate integration
Matter Protocol Supported: Enables native interoperability with Matter-compatible devices
Fully Local Control: Works without cloud dependency
Single-Gang Control: Control via touch button, MQTT, HTTP, or automation rules
Secure & Private: All data stays within your home network
Durable Construction: Flame retardant PC
US Standard Size: Fits standard wall boxes
 
MQTT Control - Integrates with Home Assistant, OpenHAB, Node-RED
HTTP API - Local REST control
Rules Engine - Automate actions directly on the switch
Over-the-Air Updates - Update firmware wirelessly
Matter Support - Connects with other Matter-enabled devices for seamless smart home interoperability
 
Parameter
Description
MCU
ESP32-C3 (4MB)
Voltage
100V - 240V AC
Power
1200W
Version
Single-Gang
Wireless Protocols
Wi-Fi 2.4GHz
Firmware
Tasmota pre-flashed
Control Method
Button / MQTT / HTTP / Automation
Matter Protocol
Supported
Operating Temperature
-10?C ~ 50?C
Installation
US standard wall box
Certification
CE, RoHS
 
 

Product Highlights
Tasmota US Key Switch is a Tasmota relay or switch product for local control, inching/self-lock use cases, and Home Assistant automation.
Ideal For
Relay-based smart control
Switch and curtain automation
Local Home Assistant workflows
Compatibility
Designed for local smart home use with Tasmota, MQTT, and Home Assistant workflows. This product is suitable for users who prefer local control and privacy-friendly automation.