Yitouniu TH16
Yitouniu eWeLink WiFi Smart TH16 Switch User Manual
Model: TH16 (AYTU013)
1. Introduction
The Yitouniu eWeLink WiFi Smart TH16 Switch is a versatile smart home device designed for remote and automatic control of electrical appliances. It integrates temperature and humidity monitoring capabilities, allowing devices to be turned on or off based on environmental conditions. This switch also features energy consumption monitoring and is compatible with popular voice assistants like Amazon Alexa and Google Home.
2. Safety Information
- Ensure the power supply is disconnected before installation or maintenance to prevent electric shock.
- This device operates on AC85-250V. Verify your electrical system compatibility.
- The maximum current supported is 16A. Do not exceed this rating to avoid damage or fire hazards.
- The AM2301 sensor is not waterproof. Avoid exposing it to water or high humidity environments.
- Installation should be performed by a qualified electrician if you are unfamiliar with electrical wiring.
- Operate the device only within the specified temperature and humidity ranges.
3. Package Contents
- 1 x TH16 Smart Switch
- 1 x AM2301 Temperature and Humidity Sensor
4. Product Overview
The TH16 Smart Switch allows you to control connected devices and monitor environmental conditions. It features input and output terminals for wiring, a manual switch, and indicators for network status and RF pairing.

Image: Yitouniu TH16 Smart Switch connected to its AM2301 temperature and humidity sensor. The switch unit shows input/output terminals and control buttons.
The device is designed to integrate seamlessly into your smart home ecosystem, offering control via the eWeLink app and voice commands.

Image: The TH16 Smart Switch highlighting its compatibility with WiFi, Amazon Alexa, and Google Home, along with a smartphone displaying the eWeLink app interface.
5. Setup
5.1 Wiring Diagram
Follow the wiring diagram carefully. Ensure all connections are secure and correct before applying power.

Image: Detailed wiring diagram for the TH16 Smart Switch. It shows input (L, N) and output (N, L) terminals connected to a power source and a light bulb, respectively. The sensor port is also visible.
- Input: Connect the live (L) and neutral (N) wires from your power source to the 'IN' terminals.
- Output: Connect the live (L) and neutral (N) wires of the appliance you wish to control to the 'OUT' terminals.
- Sensor: Plug the AM2301 sensor into the designated port on the switch.
5.2 App Installation
Download the eWeLink app from the App Store (iOS) or Google Play Store (Android). Register an account if you don't already have one.
5.3 Device Pairing (WiFi Connection)
- Ensure your WiFi network is 2.4GHz. The device does not support 5GHz WiFi.
- Power on the TH16 Smart Switch.
- Open the eWeLink app and follow the on-screen instructions to add a new device.
- Put the device into pairing mode (usually by pressing and holding the pairing button until the LED indicator blinks rapidly).
- Enter your 2.4GHz WiFi network name and password in the app.
- Once connected, the device will appear in your eWeLink app.
6. Operating Instructions
6.1 Remote ON/OFF Control
From the eWeLink app, you can remotely turn connected devices on or off from anywhere with an internet connection. The app provides real-time device status.
6.2 Temperature and Humidity Control
The TH16 switch, with the AM2301 sensor, allows for intelligent control based on environmental conditions.
- Real-time Monitoring: View current temperature and humidity readings in the eWeLink app.
- Auto Mode: Set specific temperature and humidity ranges within the app. The switch will automatically turn connected devices on or off when these conditions are met.
- Manual Mode: Override automatic settings to manually control the device immediately.
- Smart Scene Trigger: Temperature and humidity values can be used as triggers for other eWeLink smart scenes, automating actions across multiple devices.
6.3 Timing Functions
Automate your devices with various timing options.

Image: The eWeLink app interface showing options for scheduling device operation, including repeat, once, and specific date/time settings. Various appliances like a humidifier, fish tank, kettle, and lamp are shown as examples of timed devices.
- Scheduled Timers: Set devices to turn on/off at specific times on chosen days.
- Countdown Timers: Set a countdown for the device to turn on or off after a specified duration.
- Loop Timers: Configure devices to cycle on and off repeatedly for set intervals.
6.4 Voice Control
Integrate your TH16 Smart Switch with Amazon Alexa or Google Home for convenient voice control.

Image: A smart bulb, Amazon Echo, and Google Home device in a living room setting, with speech bubbles indicating voice commands like 'Alexa, turn on the lights.' This illustrates the voice control capability of the smart switch.
- Link your eWeLink account to your Amazon Alexa or Google Home app.
- Use voice commands such as "Alexa, turn on [device name]" or "Hey Google, set [device name] to auto mode."
6.5 Energy Consumption Monitoring
The eWeLink app provides real-time monitoring of the energy consumption of connected devices, allowing you to track and manage power usage.
6.6 Share Control
Share control of your smart switch with family members through the eWeLink app.

Image: The eWeLink app interface demonstrating the 'Share Device' function, where a user can add family members (Dad, Mom) and assign specific permissions (Add, Modify, Delete, Enable/Disable) for controlling the smart switch.
- In the eWeLink app, navigate to the device settings and select 'Share Device'.
- Enter the eWeLink account of the person you wish to share with and set their permissions.
7. Maintenance
- Clean the device with a dry, soft cloth. Do not use liquid cleaners or aerosols.
- Ensure the AM2301 sensor remains dry and free from dust for accurate readings.
- Avoid placing the device in direct sunlight or near heat sources.
- Regularly check for firmware updates in the eWeLink app to ensure optimal performance and security.
8. Troubleshooting
- Device not connecting to WiFi: Ensure your WiFi is 2.4GHz. Check WiFi password. Move the device closer to the router. Try resetting the device and re-pairing.
- Appliance not turning on/off: Verify wiring connections. Check if the appliance itself is working. Ensure the switch has power.
- Inaccurate temperature/humidity readings: Ensure the AM2301 sensor is clean and not obstructed. Avoid placing the sensor in areas with extreme drafts or direct heat/cold sources.
- Voice control not working: Confirm eWeLink account is linked correctly in Alexa/Google Home app. Check device name for clarity. Ensure internet connection is stable.
- Device unresponsive: Try power cycling the switch (turn off and on). If issues persist, perform a factory reset (refer to eWeLink app for specific instructions) and re-pair.
9. Specifications
| Feature | Specification |
|---|---|
| Model Number | AYTU013 (TH16) |
| Input Voltage | AC85-250V |
| Max Current | 16A |
| Max Power | 3500W |
| WiFi Standard | 2.4GHz b/g/n |
| Operating Temperature | Up to 100℃ (1E+2 Degrees Celsius) |
| Product Dimensions | 5.91 x 4.72 x 1.57 inches (15 x 12 x 4 cm) |
| Item Weight | 2.89 ounces (82g) |
| Material | Plastic |
| Included Components | Relay housing, relay module, Temperature Humidity Sensor |
AM2301 Sensor Specifications:
- Type: Not Waterproof sensor
- Temperature Measuring Range: -20℃~+100℃
- Humidity Measuring Range: 5%RH-90%RH
- Operating Voltage: 3.0-5.5V
- Weight: 14g
- Length: 0.25m
10. Warranty and Support
For warranty information and technical support, please refer to the seller's policy or contact Yitouniu customer service through your purchase platform. Keep your proof of purchase for any warranty claims.