1. Product Overview
The UltraPro Wi-Fi Smart LED Bulb offers advanced lighting control for your home. This A19 bulb with an E26 base is a 60W equivalent, providing full-spectrum RGB color changing capabilities, tunable white light from 2700K to 6500K, and dimmable functionality. It connects directly to your 2.4GHz Wi-Fi network, eliminating the need for a separate hub. Control your lighting through the intuitive UltraPro app, or integrate with voice assistants like Amazon Alexa and Google Home. Features include programmable schedules, SmartSun™ technology for circadian rhythm support, and custom scene creation.
2. What's in the Box
- UltraPro Wi-Fi Smart LED Light Bulb (Model 51444)
- User Manual
3. Product Specifications
| Brand | UltraPro |
| Model Name | UltraPro Wi-Fi A19 |
| Item Model Number | 51444 |
| Light Type | LED |
| Bulb Shape Size | A19 |
| Bulb Base | E26 |
| Wattage | 60 Watts (Equivalent) |
| Brightness | 800 Lumens |
| Color Temperature | 2700K - 6500K White, Full Spectrum RGB |
| Special Features | 3-Way, Color Changing, Dimmable, Full Spectrum, Lightweight |
| Connectivity | 2.4GHz Wi-Fi (No Hub Required) |
| Smart Home Compatibility | Amazon Alexa, Google Home |
| Indoor/Outdoor Usage | Indoor |
| Power Source | Corded Electric |
| Accepted Voltage Frequency | 100 to 240 Volts and 50 Hertz to 60 Hertz |
| Material | Plastic |
| Item Weight | 3.2 ounces |
| Package Dimensions | 5.16 x 2.76 x 2.72 inches |
4. Setup Instructions
Follow these steps to set up your UltraPro Wi-Fi Smart LED Bulb:
- Install the Bulb: Screw the A19 bulb into any standard E26 base light fixture. Ensure the fixture is rated for 60W equivalent bulbs. Note: Not for use with in-wall dimmers.
- Download the UltraPro App: Download the free UltraPro app from the Apple App Store or Google Play.

Image: The UltraPro app interface on a smartphone, showing login and registration options.
- Create an Account: Open the UltraPro app and follow the on-screen instructions to create a new account or log in if you already have one.
- Connect to 2.4GHz Wi-Fi: The bulb requires a 2.4GHz Wi-Fi network for connection. Ensure your router is broadcasting a 2.4GHz signal. The app supports effortless pairing with single-, dual-, and tri-band routers.

Image: A graphic illustrating the bulb's compatibility with 2.4GHz Wi-Fi networks.
- Pair the Bulb: Follow the in-app instructions to add your new smart bulb. This typically involves powering the bulb on, then off and on a few times to enter pairing mode (the bulb may flash).
- Integrate with Voice Assistants (Optional): The UltraPro app is compatible with Amazon Alexa and Google Home. Link your UltraPro account within your Alexa or Google Home app to enable voice control.

Image: An Amazon Echo device with "Voice control, No hub required" text, and "Works with Amazon Alexa or Hey Google" logos.
5. Operating Instructions
Once set up, you can control your UltraPro Smart LED Bulb using the app or voice commands.
5.1 App Control
- Color Changing: Select any color from the full RGB spectrum to create a desired atmosphere.

Image: A series of images demonstrating the bulb's ability to change colors, showing blue, red, green, and purple light.
- Tunable White: Adjust the white temperature from warm (2700K) to cool (6500K) to suit your preference or task.
- Dimmable: Adjust the brightness from 1% to 100% for perfect illumination.
- SmartSun™ Technology: Enable SmartSun™ to automatically adjust brightness and white settings throughout the day to support your circadian rhythm.

Image: A visual representation of SmartSun™ technology, showing how light changes from warm in the morning to bright white in the afternoon, and back to warm in the evening.
- Schedules and Automations: Create custom schedules for your lights to turn on/off, change color, or adjust brightness at specific times or based on events like weather or location.

Image: The UltraPro app's programming screen, illustrating options for one-step on/off settings, daily/weekly schedules, and custom countdown timers.
- Presets: Save and apply your favorite lighting settings for various scenarios with ease.
5.2 Voice Control
After linking your UltraPro account to Amazon Alexa or Google Home, you can use voice commands to control your bulb. Examples:
- "Alexa, turn on the living room light."
- "Hey Google, set the bedroom light to blue."
- "Alexa, dim the kitchen light to 50%."
- "Hey Google, change the office light to warm white."
6. Maintenance
The UltraPro Wi-Fi Smart LED Bulb is designed for long-lasting performance with minimal maintenance.
- Cleaning: Ensure the bulb is powered off and cool before cleaning. Wipe with a soft, dry cloth. Do not use liquid cleaners or abrasive materials.
- Firmware Updates: Periodically check the UltraPro app for available firmware updates to ensure optimal performance and access to new features.
- Storage: If storing the bulb for an extended period, keep it in a cool, dry place away from direct sunlight and extreme temperatures.
7. Troubleshooting
If you encounter issues with your UltraPro Wi-Fi Smart LED Bulb, refer to the following common solutions:
- Bulb Not Connecting to Wi-Fi:
- Ensure your Wi-Fi network is 2.4GHz. The bulb does not support 5GHz networks.
- Verify your Wi-Fi password is correct.
- Move the bulb closer to your Wi-Fi router.
- Try resetting the bulb by turning it off and on several times until it flashes, indicating pairing mode.
- Restart your Wi-Fi router.
- Voice Control Not Working:
- Confirm your UltraPro account is correctly linked to your Amazon Alexa or Google Home app.
- Ensure your voice assistant device is online and functioning correctly.
- Check the device name in the UltraPro app and use that exact name in your voice commands.
- Bulb Unresponsive:
- Check if the light fixture switch is in the "ON" position.
- Ensure the bulb has power.
- If the bulb is still unresponsive, try resetting it by turning the power off and on at the switch.
- App Issues:
- Ensure your UltraPro app is updated to the latest version.
- Close and reopen the app.
- Clear the app's cache or reinstall the app if problems persist.
8. Warranty and Support
This UltraPro Wi-Fi Smart LED Bulb (Model 51444) comes with a 5-year limited warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use.
For warranty claims, technical support, or further assistance, please contact UltraPro customer service. Refer to the contact information provided in your product packaging or visit the official UltraPro website.





