Introduction
The THIRDREALITY Smart Color Bulb ZL1 is an advanced A19 RGBCW LED bulb designed to enhance your smart home lighting experience. It offers millions of colors and tunable white light, along with dimming capabilities. Operating on the Zigbee 3.0 standard, it requires a compatible Zigbee hub and can also function as a Zigbee repeater to extend your network's range. This manual provides essential information for setup, operation, and maintenance of your smart bulb.
Safety Information
- Ensure power is off before installation or removal.
- Do not disassemble or modify the bulb.
- Suitable for indoor use only.
- Avoid exposure to water or excessive humidity.
- Keep out of reach of children.
- Use only in appropriate fixtures and voltage.
Package Contents
- 1 x Smart Bulb
Setup
1. Physical Installation
Screw the Smart Color Bulb ZL1 into a standard E26 light socket. Ensure the power to the fixture is turned off before installation.

Image: The THIRDREALITY Smart Color Bulb ZL1 shown with its retail packaging.
2. Connecting to a Zigbee Hub
The Smart Color Bulb ZL1 requires a Zigbee hub for smart functionality. It is compatible with various Zigbee hubs or Echo devices with built-in Zigbee hubs, including:
- Echo (4th Gen), Echo Plus (1st & 2nd Gen), Echo Studio, Echo Show 8 (3rd Gen), Echo Show 10 (2nd & 3rd Gen), Echo Hub, Eero 6, Eero Pro 6
- Home Assistant (ZHA & Z2M)
- SmartThings 2015/2018/Station, Aeotec
- Hubitat
- Homey Bridge, Homey Pro
- Third Reality Hub Gen2 Plus
To connect the bulb, follow the pairing instructions specific to your Zigbee hub or smart home app. Generally, this involves putting your hub into pairing mode and then powering on the bulb. The bulb will blink to indicate pairing mode.

Image: Visual representation of the Smart Color Bulb ZL1's compatibility with various smart home ecosystems, including those with and without a Matter Bridge.
3. Using the 3R-Installer App (Optional, for Matter Bridge)
If you are using the Smart Bridge MZ1 (sold separately) for Matter integration, you can use the 3R-Installer App for setup and control. Ensure Bluetooth is enabled on your phone and it's connected to a stable 2.4GHz Wi-Fi network.
Video: This video demonstrates how to connect the Smart Color Bulb ZL1 with Matter to the 3R-Installer app, including initial setup, adding devices, controlling the bulb, and performing firmware updates.
The video above provides a step-by-step guide on connecting the Smart Color Bulb ZL1 to the 3R-Installer app, including adding the bridge, adding the bulb, controlling it, and performing firmware updates.
Operating Instructions
1. Basic Control (On/Off, Brightness, Color Temperature)
Once connected to your Zigbee hub, you can control the bulb using your smart home app or voice commands via compatible voice assistants. Adjust brightness from 1% to 100% and color temperature from warm 2700K to cool 6500K.

Image: A smartphone displaying the app interface for remote control of the smart color bulb, showing color and brightness adjustments.
2. Millions of Colors
The bulb offers a wide spectrum of colors. Use your smart home app to select any color to match your mood or activity, such as gaming, parties, work, or bedtime.

Image: Examples of how the smart bulb's millions of colors can be used to set the ambiance for various activities like gaming, parties, work, and bedtime.
3. Voice Control
When connected to compatible Amazon Alexa Echo Devices or other Zigbee hubs that work with Alexa or Google Home, you can control the bulb using voice commands. For example, say "Alexa, turn the lamp to warm white."

Image: An individual interacting with a voice assistant to control the smart bulb, illustrating hands-free operation.
4. Zigbee Repeater Functionality
The Smart Color Bulb ZL1 also acts as a Zigbee repeater. This feature significantly enhances the range and stability of your Zigbee network by repeating signals, helping to eliminate dead spots and ensure all your smart devices remain connected, especially in larger homes.

Image: A floor plan diagram showing how the smart bulb functions as a Zigbee repeater, extending the network's reach to other devices.
5. Automation and Schedules
Utilize your smart home app to set schedules and create automation routines. This allows you to automatically turn lights on/off at specific times, or trigger actions based on other smart devices, making your home truly intelligent.

Image: A smartphone screen displaying the Apple Home app, illustrating how the smart bulb can be integrated and controlled alongside other smart home devices.
Maintenance
To ensure optimal performance and longevity of your Smart Color Bulb ZL1, follow these maintenance guidelines:
- Cleaning: Disconnect power before cleaning. Use a soft, dry cloth to wipe the bulb. Do not use liquid cleaners or abrasive materials.
- Storage: If storing the bulb for an extended period, keep it in a cool, dry place away from direct sunlight and extreme temperatures.
- Firmware Updates: Regularly check for and install firmware updates via your smart home app or the 3R-Installer App to ensure the bulb has the latest features and security enhancements.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Bulb does not turn on. | No power to the fixture; Bulb not screwed in properly; Bulb is faulty. | Check power switch and circuit breaker. Ensure bulb is securely screwed in. Test bulb in another working fixture. |
| Bulb not connecting to Zigbee hub. | Hub not in pairing mode; Bulb too far from hub; Interference; Incorrect Zigbee channel. | Ensure your hub is in pairing mode. Move bulb closer to the hub. Reduce interference from other 2.4GHz devices. Try changing the Zigbee channel on your hub if supported. |
| Remote control/app not working. | No internet connection (for app); App is outdated; Hub is offline. | Check your internet connection. Update the smart home app. Verify your Zigbee hub is online and functioning correctly. |
| Color/brightness changes are slow or unresponsive. | Weak Zigbee signal; Network congestion. | Utilize the bulb's repeater function by placing it strategically. Ensure your Zigbee network is not overloaded with too many devices. |
Specifications
| Feature | Detail |
|---|---|
| Brand | THIRDREALITY |
| Model Name | Smart Color Bulb ZL1 |
| Item Model Number | 3RCB01057Z |
| UPC | 850001595827 |
| Light Type | LED |
| Bulb Shape Size | A19 |
| Bulb Base | E26 |
| Wattage | 8.5 watts |
| Incandescent Equivalent Wattage | 60 Watts |
| Brightness | 800 Lumen |
| Efficiency | 94.12 lumens/watt |
| Color Temperature | 2700K - 6500K (Tunable White) |
| Light Color | Multicolor |
| Voltage | 8.5 Volts |
| Voltage / Frequency | 100 to 240 Volts / 50 Hertz to 60 Hertz |
| Connectivity Protocol | Zigbee |
| Control Methods | Smartphone App, Touch, Voice Assistant |
| Indoor/Outdoor Usage | Indoor |
| Material | Plastic |
| Item Weight | 2.39 ounces |
| Package Dimensions & Weight | 4.88 x 2.56 x 2.52 inches; 2.4 ounces |
Warranty and Support
For warranty information and technical support, please refer to the official THIRDREALITY website or contact their customer service. The product includes a return policy of 30 days for refund/replacement as per the buybox winner information.
An additional User Manual (PDF) is available for download: User Manual (PDF)





