[24-hour online AI assistant] After the switch is connected to the Smart Life app, you can use the AI assistant to query various functions and parameters with one click. Just enter a simple 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, , 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 , for Assistant, for Tmall Genie, for YandexAlice, and for . [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 distance of 100 meters. Notes: 1. A neutral wire is required for switch installation. 2. This switch must be used with the for Tuya Zigbee gateway (not included). for Zigbee protocol: devices are more energy-efficient, generate less heat, and are more ; the connection is more stable, making it ideal for whole-home smart home systems. [Multiple Functions] 1. Three relay states: default on after power outage, default off, and memory function. 2. Offline Reminder: This device offline reminder function helps users stay informed of device status and effectively prevent device failures. 3. Device Sharing: Family members can control the switch with their own phones using the device sharing feature. 4. Group Control: Create smart groups for switches and control multiple smart devices with one click through the app. For example, set up a "sleep group" and when you want to go to sleep, all grouped devices turn off simultaneously with a single click. Relay: 20A Power: 4000W Voltage: AC 110-240V 50/60Hz Operating Temperature: 0C-40C Wireless Frequency: Zigbee 3.0 Operating Frequency: 433.92MHz Encoder Chip: EV1527 Modulation: ASK Color: A:Black Material: plastic Package Contents: 1 x Switch Monitor 1 x Touch Remote Control(Contains CR2032 battery) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.