💡 Smart Living Made Simple! Fits in tight spaces for effortless installation. Supports a wide range of voltages for global use. Compatible with Alexa, Google Home, and more. Retrofit your existing switches in under 10 minutes! Control lights and appliances with just a live wire. WiFi Control 110-230V Support No Hub Needed The Shelly 1L Relay Switch is a WiFi-enabled smart home device that allows you to automate your lighting and appliances without the need for a hub or neutral wire. Its compact design makes it easy to install behind existing switches, and it supports a wide voltage range, making it compatible with various home automation systems.