The Aqara Single Switch Module T1 (SSM-U01) is a compact Zigbee 3.0 device designed to bring smart control to your existing home lighting without replacing your favorite wall switches. This white module installs behind your current switch, allowing you to manage power remotely via the Aqara Home app or through voice commands using Siri, Alice, or Marusya. It operates on a 100-250VAC power supply and supports resistive loads from 3W up to 2500W with a maximum current of 10A. Measuring just 42.9 x 40 x 19.9 mm and weighing only 30 grams, the device fits easily into standard electrical boxes. Its technical capabilities include power-consumption monitoring, which lets you track energy usage through detailed power curve diagrams in the app. With a communication range of up to 30 meters indoors, it provides a reliable connection for those who want to automate their home while keeping the classic look and feel of their physical switches.