Aqara Smart Light Switch (No Neutral, Single Rocker), Requires Aqara Hub, Zigbee ??NOTES?An Aqara Hub is required and sold separately. Requires a secured 2. 4 gigahertz WiFi network connection. The Aqara M2 or M1S Hub can connect up to 128 devices(*use of a repeater such as the Aqara Smart Plug or Aqara Smart Wall Switch(With Neutral) is required). Operating Temperature:0C?40C (32F?104F),for indoor use. Operating Humidity:0%~95% RH, Non-condensing. (*The product packaging is currently being updated. The actual packaging may differ from the picture.) ?CONTROL FROM ANYWHERE?Convert your old light bulbs and fixtures into smart lights. The Aqara Smart Light Switch enables you to remotely control existing lights and other electronics from your smart phone.Smart Wall Switch enables you to remotely control existing lights and other electronics from your smart phone. ?HOME AUTOMATION?Tailor it to your personal needs and simplify your life through smart home automation. Supports schedule, timer, and scenes set through the Aqara Home app to automatically turn your Aqara Smart Light Switch on and off while you're home or away. ?VOICE CONTROL?Compatible with Apple HomeKit, Google Assistant, and Alexa for a hands-free experience. Ask your favorite voice assistant to control the lights in different rooms. ?MULTIPLE SAFEGUARDS, SAFE AND REASSURING?Adopts V-0 grade flame-retardant panel and withstands high temperature. When the Aqara Light Switch detects high temperature limit, it will automatically turn off the power supply. Input Voltage: 120V, 60Hz; Load Capacity: Max: 600 W; Min 3 W. In addition, If you have any questions, please feel free to contact us.