1. Introduction and Overview
The TONGOU Smart Wi-Fi Light Switch is a versatile and intelligent device designed to bring smart control to your electrical appliances. It integrates seamlessly with your home network, allowing for remote control via a mobile application, voice commands through popular smart assistants like Alexa and Google Assistant, and advanced timing functions. This manual provides detailed instructions for installation, operation, and maintenance to ensure optimal performance and user experience.

Image: Front view of the TONGOU Smart Wi-Fi Light Switch, showcasing its compact design and power button.
2. Key Features
The TO-Q-SY1 Smart Wi-Fi Light Switch offers a range of features to enhance your smart home experience:
- Remote Control: Control your devices from anywhere using the Smart Life/Tuya APP on your smartphone.
- Voice Control: Compatible with Amazon Alexa and Google Assistant for convenient hands-free operation.
- Timing Modes: Set schedules with Timing Mode, Countdown Mode, and Loop Timing to automate your devices.
- Energy Monitoring (TO-Q-SY1-JWT model): Real-time monitoring of electricity consumption, including current, voltage, and power data.
- High-Quality Construction: Made with high-precision manganese copper, flame-retardant PA66 shell, and a high-performance chip module for durability and safety.
- Easy Installation: Snap-on design for simple DIN rail mounting without specialized tools.

Image: Visual representation of the smart switch's key features, including timing, countdown, loop timing, and metering functions.

Image: Illustration highlighting the benefits such as remote control, voice control, various timing options, and real-time electricity monitoring.
3. Product Specifications
| Specification | Detail |
|---|---|
| Model Selection | TO-Q-SY1-WT (without metering), TO-Q-SY1-JWT (with metering) |
| Rated Current | Available from 1A to 63A |
| Voltage | ~230V (50/60Hz) |
| Poles Description | 1P+N (N pole pass-through) |
| Control Type | Remote control, Manual |
| Working Temperature | 0°C–40°C |
| Dimensions (approx.) | 82mm (3.23in) H x 18mm (0.71in) W x 50mm (1.97in) D |
| Package Dimensions | 3.54 x 3.15 x 0.79 inches; 4.41 ounces |
| Manufacturer | TONGOU |

Image: Detailed dimensions and model specifications for the DIN rail mounted smart switch.

Image: Breakdown of the high-quality materials used in the smart switch, including manganese copper and flame-retardant shell.
4. Setup
4.1. Installation
The TONGOU Smart Wi-Fi Light Switch is designed for easy installation on a standard 35mm DIN rail. Ensure power is disconnected before installation.
- Mount the switch onto the DIN rail by simply snapping it into place. The snap-on design allows for installation without special tools.
- Connect the wiring to the terminals. The environmentally friendly anti-oxidation terminal screws with a tail structure facilitate easier and secure wiring.
Video: Demonstrates the physical installation of the TONGOU Smart Wi-Fi Switch on a DIN rail, highlighting the snap-on design and terminal wiring.
4.2. App Pairing
To control your smart switch via the app, follow these pairing steps:
- Download the Smart Life or Tuya Smart app from your device's app store.
- Register or log in to your account.
- Ensure the smart switch is powered on and the Wi-Fi signal LED is flashing (indicating pairing mode). If not, press and hold the power button for 5-10 seconds until it flashes.
- In the app, tap the '+' icon to add a device. Select 'Electrical Switch' or 'Circuit Breaker (Wi-Fi)'.
- Follow the on-screen instructions to connect the switch to your Wi-Fi network.

Image: Step-by-step visual guide for pairing the smart switch with the Smart Life or Tuya app.
Indicator Description:
- TO-Q-SY1-WT (without metering):
- Steady blue light: Switch is on.
- Light off: Switch is off or off-grid mode.
- Flashing slowly: Switch is in pairing mode.
- TO-Q-SY1-JWT (with metering):
- Steady blue light: Network successfully connected.
- Flashing slowly: Switch is in pairing mode.
- Light off: Device is in off-grid mode.
- Indicator lights up on button: Switch is off.
- Indicator lights off on button: Switch is on.

Image: Explanation of the LED indicator states for the TO-Q-SY1-WT model.

Image: Explanation of the LED indicator states for the TO-Q-SY1-JWT model.
5. Operating Instructions
5.1. Remote Control via App
Once paired, you can control your smart switch from anywhere using the Smart Life/Tuya app:
- Open the app and select your device from the home screen.
- Tap the power icon to turn the connected appliance on or off.
- Access additional features like timing, countdown, and energy monitoring (for JWT models) directly from the device interface in the app.

Image: Depicts the app interface for remote control and monitoring of the smart switch.
5.2. Voice Control
Integrate your smart switch with Amazon Alexa or Google Assistant for convenient voice control:
- Enable the Smart Life or Tuya Smart skill/action in your Alexa or Google Home app.
- Link your Smart Life/Tuya account.
- Discover devices. Once discovered, you can use voice commands such as:
- "Alexa, turn on [device name]."
- "Hey Google, turn off [device name]."

Image: Illustrates the voice control functionality with Amazon Alexa and Google Assistant.
5.3. Timing Functions
Automate your devices with various timing options available in the app:
- Schedule: Set specific times for the switch to turn on or off daily or on selected days of the week.
- Countdown: Set a timer for the switch to turn off after a specified duration.
- Loop Timing: Configure the switch to cycle on and off at regular intervals.
- Sunrise/Sunset: Automate based on local sunrise and sunset times.

Image: Screenshot of the app's smart timer settings, showing options like Schedule, Sunrise, Sunset, and Circulate.
5.4. Energy Monitoring (TO-Q-SY1-JWT model only)
The TO-Q-SY1-JWT model provides real-time energy consumption data directly in the app:
- View live current, voltage, and power readings.
- Access historical electricity consumption records by hour, day, month, and year.
- Monitor total forward energy consumption to better understand and manage your power usage.

Image: Displays the app interface showing real-time metering data, including total electricity consumption and historical usage graphs.
6. Maintenance
To ensure the longevity and optimal performance of your TONGOU Smart Wi-Fi Light Switch, follow these maintenance guidelines:
- Keep the device clean and free from dust. Use a dry, soft cloth for cleaning.
- Avoid exposing the device to extreme temperatures, humidity, or direct sunlight.
- Do not attempt to disassemble or repair the device yourself. Refer to qualified personnel for any repairs.
- Regularly check for any loose wiring connections to ensure safety and proper function.
7. Troubleshooting
If you encounter issues with your smart switch, refer to the following common problems and solutions:
- Device not connecting to Wi-Fi:
- Ensure your Wi-Fi network is 2.4GHz. The switch does not support 5GHz Wi-Fi.
- Check if the Wi-Fi signal is strong enough at the switch's location.
- Verify that you have entered the correct Wi-Fi password during pairing.
- Try power cycling the switch (turn off and on the main power supply).
- Reset the switch to pairing mode by holding the power button until the indicator flashes.
- Device not responding to app/voice commands:
- Check the device's indicator light to confirm it's connected to the network (steady blue light).
- Ensure your smartphone has an active internet connection.
- For voice control, verify that your smart assistant (Alexa/Google Assistant) is properly linked to your Smart Life/Tuya account and the device is discovered.
- Inaccurate energy monitoring (TO-Q-SY1-JWT model):
- Ensure the wiring is correctly installed according to the diagram.
- Confirm the device firmware is up to date via the app.
If the issue persists after trying these steps, please contact TONGOU customer support for further assistance.
8. Warranty and Support
TONGOU is committed to providing high-quality smart home solutions. This product comes with a 24-month worry-free warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use.
For warranty claims, technical support, or any inquiries, please refer to the contact information provided on the product packaging or the official TONGOU website. Please have your purchase receipt and product model number ready when contacting support.

Image: Highlights TONGOU's commitment to smart products and the 24-month warranty.





