Shelly 1 Gen4 One-Channel Dry Contact Smart Switch (Single Pack)

The Shelly 1 Gen 4 is a compact, powerful smart switch designed to give you full control over a wide range of electrical appliances and lighting systems with multiprotocol functionality. By installing the Shelly 1 Gen 4 behind a wall outlet or lighting switch, connected lights and appliances can be controlled with Wi-Fi, Zigbee, Matter, or Bluetooth. It's designed with 1 switch/button input, 1 potential-free contact relay input, 2 power supply inputs, and 1 potential-free contact relay for integration into both low-voltage and high-voltage systems. Whether you're automating garage doors, lights, irrigation systems, or gates, the Shelly 1 Gen 4 delivers reliability, speed, and convenience through app control, voice commands, or web interfaces. With no need for a hub and seamless compatibility with major platforms like Alexa, Google Home, and SmartThings, it's one of the most versatile options available today.

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