[24-hour online AI assistant] After the switch is connected to the for Smart Life app, you can use the AI assistant to query various functions and parameters with one click. Just enter a simple command in the dialog box to enjoy a more advanced artificial intelligence experience without the need for effortful searching. For example, you can enter "Query electricity usage for the past seven days" or "Query water heater switch power." [4000W High Power] 20A high-current 4000W high-power switch, suitable for high-power appliances such as air conditioners, water heaters, and water pumps. [Voice and Mobile App Remote Control] Remotely control the switch via a mobile app (this requires a ZigBee gateway). Supports multiple voice commands and can be controlled via smart speakers such as for Amazon Alexa, for Google Assistant, for Tmall Genie, for Yandex Alice, and for SmartThings. [Energy Statistics] Monitor power usage in real time, query usage, and generate statistics via the mobile app. This helps control power usage, achieve energy conservation, and help users better manage their energy consumption. [Supports RF433 Remote Control] The switch supports RF433 remote control with an effective sensing range of 100 meters (RF433 remote control required). Notes: 1. A neutral wire is required for switch installation. 2. This switch must be used with a for Tuya Zigbee gateway (not included). for Zigbee protocol: devices are more energy-efficient, generate less heat, and are more durable; the connection is more stable, making it ideal for whole-home smart home use. [Timer Function]: Multiple timer settings allow you to set the timer to automatically control the switch according to your personal preferences. Supports fixed time, countdown, cycle time, and inching time. [Indicator and Luminous Bar Design]: The switch features a red indicator light on the top and a dimly lit fluorescent bar on the bottom, making it easy to find the switch even in dimly lit enviro