Shelly 1 Gen4 4-pack

Shelly 1 Gen4 is a smart 16A relay with potential-free contacts that supports WiFi, Bluetooth, and Zigbee communication. Designed for installation behind switches, sockets, or lamp outlets, it enables easy control and automation of lights, garage doors, irrigation systems, fans, and similar devices. Its compact design allows for easy installation in wall and ceiling boxes. Key Features: Matter Certified: Easily integrates via Matter into your favorite smart home system. Multi-protocol Chip: Gen4 devices can communicate via 2.4 GHz WiFi and/or Zigbee, with simultaneous use on different platforms. Bluetooth Functionality: Enables direct communication between Shelly relays/dimmers and battery-powered devices. Local Operation: All primary functions work 100% locally, ensuring continued operation even if your network is down. High Compatibility: Integrates with over 200 partner systems including Google Home, Apple HomeKit, Amazon Alexa, Home Assistant, Samsung SmartThings, Athom Homey, and many more. Advanced Features: Supports MQTT, HTTP, and WebSocket for advanced communication, all with TLS support. Versatile Applications. Shelly 1 Gen4 offers multiple use cases. It can be powered by 12V DC, 24-48V DC, or 110-240V AC. The potential-free contact set allows for control of garage doors, SG-Ready heat pumps, irrigation systems, and more. The device features a single, optional, and fully programmable switch input, making it suitable for various purposes, including: Lighting control, Bathroom fan control, Floor heating control (possibly with Shelly Plus Add-On and a DS18B20 temperature sensor), Garage door control (possibly with Shelly Plus Add-On and magnetic contact), Irrigation system control, SG-Ready heat pump control, Smart doorbell conversion. Local Operation - No Gateway Required, All Shelly WiFi devices have a built-in web server, providing a host of features that always work, regardless of internet connectivity. No gateway is required, allowing you to start with just a single Shelly device. The built-in web server means Shelly has built-in memory and will remember sunrise, sunset, schedules, etc., even when the network is down. Relays and dimmers function as standard toggle relays and can be used with your regular switches - even without internet. All inputs and outputs are fully programmable and only require local WiFi to communicate across devices. However, an active internet connection is recommended for access to even more features.