Working voltage: AC 90-240V, 50/60Hz. Wireless connection type: 2.4GHz Wi-Fi. Maximum wiring capacity: 10mm on both the power supply and load sides. Applicable current scenario: AC1, used in circuits controlling purely resistive loads such as heaters, incandescent lamps, ovens, etc. Universal DIY module for smart home: Use the SY1 smart switch to switch small appliances in your home from traditional mode to smart mode in less than 10 minutes. With this small Wi-Fi switch, you can turn a lamp, fan, or space heater into a connected device. App remote control: Control household appliances via the "Smart Life" or "Tuya" app. No distance or time limit. The "Smart Life" app is available on the App Store and Google Play. Energy consumption tracking: Analyze real-time and historical energy consumption of connected devices, display load current, voltage, and power in real time, and record data by hours, days, months, and years. Wi-Fi switch with voice control: Compatible with Alexa and Google Assistant for voice operation. Turn devices on or off using voice commands. Keep your hands free with the SY1 switch. 4 timing modes: Smart switch features delay mode, countdown mode, cycle delay, and astronomical delay. A universal connected switch helps prevent forgetting to turn off devices. Adjust operating times according to your needs to avoid unnecessary power loss and save energy.