Effortless smart home control with Shelly 1 Gen4

Take full control of your home automation with the Shelly 1 Gen4, a compact Wi-Fi relay switch that fits behind any wall switch or outlet. Designed for seamless integration and unrivalled versatility, this fourth generation Shelly module allows you to control lights, appliances or garage doors from anywhere - directly from your smartphone. Whether you're upgrading your smart home or starting from scratch, Shelly 1 Gen4 is your flexible, future-proof solution.

What makes it a must-have for every smart home

Next generation chipset: Equipped with a powerful ESP Shelly chip that ensures faster response time and improved performance.

Ultra-compact design: Fits easily into standard electrical sockets - even behind conventional wall switches.

Cloud-free or cloud-connected: Control your devices via the Shelly Cloud App or stay local with MQTT, HTTP or Home Assistant.

Multi-platform compatibility: Works seamlessly with Google Home, Amazon Alexa, Samsung SmartThings and more.

Flexible input control: Supports both momentary and toggle switches for maximum customisation.

Enhanced security: With strengthened device encryption and improved OTA update protocols.

Specifications

Power supply: 110-240V AC ±10%, 50/60Hz or 12V DC

Maximum load: 16A / 3500W

Dimensions: 38mm x 33mm x 17mm

Wireless: 802.11 b/g/n Wi-Fi, 2.4GHz

Operating temperature: 0°C to 40°C

Dry contact relay: Yes - perfect for garage doors, gates and low voltage systems

Supports: MQTT, HTTP, webhooks, home assistant, REST API