Introduction
The Sengled WiFi Classic Smart Light Bulbs offer a simple and efficient way to integrate smart lighting into your home. These bulbs do not require a separate hub, connecting directly to your home's 2.4GHz Wi-Fi network. Control your lighting experience through the Sengled Home app, or via voice commands using Amazon Alexa or Google Assistant. Adjust brightness, set schedules, create custom scenes, and monitor energy consumption with ease.
Setup Guide
Setting up your Sengled Smart Light Bulbs is a straightforward process. Follow these steps to get started:
- Download the Sengled Home App: Search for "Sengled Home" in your device's app store (iOS and Android) and download it. Register for an account if you don't already have one.

Image: Three steps for easy setup, showing downloading the app, installing the bulb, and following in-app guidance.
- Install the Bulb: Screw the Sengled Smart Light Bulb into a standard light socket. Ensure the power is on.
- Connect to Wi-Fi: Open the Sengled Home App and follow the in-app guided setup. The bulb connects directly to your home's secure 2.4GHz Wi-Fi network (5GHz networks are not supported).
- Pair with Voice Assistants (Optional): If you wish to use voice control, pair your bulbs with Amazon Alexa or Google Assistant devices through their respective apps after initial setup in the Sengled Home App.

Image: A family on a couch, with a smart speaker, demonstrating voice control for the smart light bulb.
Operating Instructions
Once your Sengled Smart Light Bulbs are set up, you can control them in various ways:
- Sengled Home App Control:
Use the app to turn lights on/off, adjust brightness (dimmable), change colors (16 million options), and tune white light from warm amber (2000K) to cool white (6500K). The app also allows for creating groups for simultaneous control of multiple bulbs.

Image: Visual representation of brightness dimming, color temperature adjustment, and the wide range of 16 million DIY colors available.
- Voice Control:
Command your lights using Amazon Alexa or Google Assistant. Examples include: "Alexa, turn on the living room lights," "Hey Google, dim the bedroom light to 50%," or "Alexa, change the kitchen light to blue."
- Scheduling and Routines:
Program timers and routines within the Sengled Home App to automate your lighting. This includes setting lights to turn on/off at specific times, creating wake-up routines where lights slowly brighten, or sleep routines where they slowly dim.

Image: A person sleeping, illustrating the "Set Light Schedules" feature for gentle wake-up and sleep modes.
- Remote Control:
Control your smart bulbs from anywhere using the Sengled Home App, as long as your smartphone has an internet connection. This allows you to manage your lights even when you are away from home.

Image: A hand holding a smartphone displaying the Sengled Home App, with a house in the background, symbolizing remote control of lighting.
Maintenance
Sengled Smart Light Bulbs are designed for long-lasting performance with minimal maintenance. To ensure optimal operation:
- Cleaning: Ensure the bulb is off and cool before cleaning. Wipe with a soft, dry cloth. Do not use liquid cleaners or abrasive materials.
- Firmware Updates: Periodically check the Sengled Home App for available firmware updates. These updates can improve performance, add new features, and enhance security.
- Environmental Conditions: Use the bulbs in appropriate environmental conditions as specified in the product specifications. Avoid exposure to extreme temperatures or high humidity unless the product is rated for such conditions.
Troubleshooting
If you encounter issues with your Sengled Smart Light Bulbs, try the following troubleshooting steps:
- Bulb Not Responding:
- Ensure the light switch is in the ON position.
- Check your Wi-Fi connection. The bulb requires a stable 2.4GHz Wi-Fi network.
- Try turning the bulb off and on at the physical switch to reset it.
- Verify the bulb is within range of your Wi-Fi router.
- Difficulty Pairing:
- Make sure your smartphone is connected to the 2.4GHz Wi-Fi network during setup.
- Reset the bulb by turning it off and on five times consecutively (each cycle lasting about 1-2 seconds). The bulb should flash to indicate it's ready for pairing.
- Ensure Bluetooth is enabled on your smartphone for initial discovery.
- Voice Control Issues:
- Confirm that your Sengled account is correctly linked to your Alexa or Google Assistant app.
- Check if the voice command is recognized by your smart assistant.
- Ensure the bulb is named clearly in the Sengled Home App and the voice assistant app.
Specifications
| Feature | Detail |
|---|---|
| Brand | Sengled |
| Model Name | Smart Bulb (W11-N11) |
| Light Type | LED |
| Special Feature | Color Changing, No Hub Required, Dimmable, Voice Control, Schedule Rules, Scene Mode, Group Control |
| Wattage | 8.7 watts (75 W Equivalent) |
| Brightness | 800 Lumens |
| Color Temperature | 2000K - 6500K (Tunable White) |
| Color Rendering Index (CRI) | >90 |
| Voltage | 120 Volts (100 to 120 Volts and 60 Hertz) |
| Connectivity Technology | Wi-Fi (2.4GHz) |
| Bulb Shape Size | A19 |
| Bulb Base | E26 |
| Material | Synthetic Polymer (PMMA) |
| Product Dimensions | 2.3"W x 4.2"H |
| Item Weight | 10.2 ounces (0.64 Pounds) |
Warranty and Support
Your Sengled Smart Light Bulb comes with a 3-year manufacturer warranty.
For detailed instructions, further assistance, or to contact customer support, please refer to the official user guide:
Download Official User Guide (PDF)
Live customer service is available based in the U.S.





