Introduction
This user manual provides comprehensive instructions for the setup, operation, and maintenance of your Lepro Smart WiFi Light Bulbs. These LED color-changing lights are designed for smart home integration, offering convenient control via app and voice commands with Alexa and Google Assistant. They provide a wide range of white light temperatures and 16 million color choices, all dimmable through the app or voice control.

Image: The Lepro Smart WiFi Light Bulb, an A19 E26 bulb, shown alongside its packaging which highlights compatibility with Alexa and Google Assistant.
Product Features
- Tunable White Light: Adjust white light from warm (2700K) to cool (6500K) to suit your mood or activity.
- 16 Million Colors: Choose from a vast spectrum of colors to create the perfect ambiance for any occasion.
- Dimmable: Easily adjust brightness levels via the app or voice commands. Note: Do not use with traditional dimmer switches.
- Voice Control: Seamlessly integrate with Amazon Alexa and Google Assistant for hands-free control.
- Remote Control: Control your lights from anywhere using the free "Lepro LampUX" App on your smartphone, as long as the bulb is connected to 2.4GHz WiFi.
- Timers and Scene Modes: Set schedules for automatic on/off times and customize lighting scenes for different activities or moods.
- No Hub Required: Connects directly to your 2.4GHz WiFi network, eliminating the need for an additional hub or bridge.

Image: A visual representation of the smart bulb's capabilities, including dimming, cool & warm light, reading mode, RGB colors, shine, timers, smart control, and voice control.
Setup Guide
Follow these steps to set up your Lepro Smart WiFi Light Bulb and connect it to the Lepro LampUX app.
- Download the App: Download the free "Lepro LampUX" app from the App Store (iOS) or Google Play Store (Android).
- Register an Account: Open the app and register a new account.
- Install the Bulb: Screw the smart bulb into any standard E26 socket.
- Power On: Switch on the light and keep it on for at least 10 seconds.
- Reset the Bulb: Turn the light switch OFF for 1-2 seconds, then ON for 1-2 seconds. Repeat this sequence three times (OFF-ON-OFF-ON-OFF-ON). The bulb will start blinking rapidly, indicating it's in pairing mode.
- Add Device in App: In the Lepro LampUX app, tap "Add Device" or the "+" icon. Select "Lighting" then "Light Source (Wi-Fi)".
- Confirm Blinking: Confirm that the light is blinking rapidly in the app.
- Connect to WiFi: Enter your 2.4GHz WiFi network name and password. (5GHz networks are not supported).
- Pairing: The app will begin connecting to the bulb. Wait until the connection is 100% complete.
- Name Your Device: Once connected, you can rename your bulb for easier control (e.g., "Living Room Light", "Bedroom Lamp").

Image: A visual guide illustrating the six steps to install the LampUX app, switch on the bulb, reset it, confirm blinking, input WiFi password, and wait for connection.
Video Guide: WiFi Smart Lights Setup
Video: An official guide from Lepro US demonstrating the step-by-step process of setting up the WiFi Smart RGB Light Bulb, including app download, registration, and pairing.
Operating Instructions
App Control (Lepro LampUX)
- Color and Brightness Adjustment: Use the color wheel and brightness slider in the app to select from 16 million colors and adjust intensity.
- White Light Adjustment: Switch to the white light tab to adjust color temperature from warm white (2700K) to cool daylight (6500K).
- Scene Modes: Explore pre-set scenes or create your own custom scenes to instantly change the lighting ambiance.
- Scheduling: Set timers for the bulb to turn on or off at specific times, ideal for daily routines or security.
- Grouping: Group multiple Lepro smart bulbs together to control them simultaneously with a single command.

Image: The LampUX app interface demonstrating options for white light (warm to cool) and color selection, alongside examples of relaxing warm white, energizing daylight, and color-changing mood light in a home setting.

Image: A collage illustrating key features: controlling lights remotely from anywhere, 8 pre-set scenes, scheduling on/off times, and grouping management for multiple bulbs.

Image: The LampUX app interface displaying 8 different lighting modes, allowing users to select various pre-configured light settings for different atmospheres.
Voice Control (Alexa & Google Assistant)
Once linked with your smart assistant, you can control your Lepro Smart WiFi Light Bulbs using simple voice commands. Ensure your device is named appropriately in the Lepro LampUX app for easier voice commands.
- "Alexa, turn on [Device Name]."
- "Hey Google, turn off [Device Name]."
- "Alexa, dim [Device Name] to 50%."
- "Hey Google, brighten [Device Name]."
- "Alexa, change [Device Name] to blue."
- "Hey Google, set [Device Name] to warm white."

Image: A woman in bed using voice commands with an Amazon Echo device to dim her bedside lamp, demonstrating the convenience of voice control.
Video Guide: How to Connect to App & Alexa
Video: An official guide from Lepro US detailing the process of connecting the smart bulb to the Lepro LampUX app and subsequently linking it with Amazon Alexa for voice control.
Troubleshooting
Common Issues and Solutions
- Bulb not blinking rapidly during setup: Ensure you follow the OFF-ON sequence (3 times, 1-2 seconds between each toggle) precisely. If it doesn't blink, try the sequence again.
- Cannot connect to WiFi:
- Confirm your WiFi network is 2.4GHz. These bulbs do not support 5GHz networks.
- Ensure your WiFi password is correct.
- Move the bulb closer to your WiFi router during setup.
- Check if your router has too many devices connected. Try temporarily disconnecting other devices.
- Voice control not working:
- Ensure your Lepro LampUX account is correctly linked to your Alexa or Google Assistant app.
- Verify the device name in the Lepro LampUX app matches what you are saying to your smart assistant.
- Try rediscovering devices in your Alexa or Google Home app.
- Bulb unresponsive: Try turning the light switch off and on again. If the issue persists, perform a factory reset (OFF-ON sequence 3 times) and re-pair the bulb.
Product Specifications
| Specification | Value |
|---|---|
| Brand | Lepro |
| Model Number | 901001-US-a |
| Light Type | LED |
| Special Feature | Dimmable |
| Wattage | 9 watts |
| Bulb Shape Size | A19 |
| Bulb Base | E26 |
| Incandescent Equivalent Wattage | 60 Watts |
| Light Color | RGB+CCT (Tunable White 2700-6500K) |
| Voltage | 120 Volts |
| Unit Count | 1.0 Count |
| Color Temperature | 6500 Kelvin |
| Material | Aluminum, Plastic |
| Connectivity Technology | Wi-Fi (2.4GHz only) |
| Indoor/Outdoor Usage | Indoor |
| Control Method | Voice, App |
| Average Life | 2.88 Years |
| White Brightness | 800 Lumens |
| Item Weight | 3.06 ounces |
| Product Dimensions | 2.36"W x 4.33"H |

Image: A detailed diagram of the smart bulb, indicating its dimensions (60mm diameter, 110mm height), and highlighting its 16 million colors, 2700K-6500K tunable white, dimmable via app or voice, 9W LED equivalent to 60W incandescent.
Care and 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.
- Environment: Use the bulb in dry, indoor environments only. Avoid exposure to water or high humidity.
- Installation: Always ensure the power is off before installing or removing the bulb.
- Compatibility: Do not use with traditional dimmer switches, as this can damage the bulb. Control dimming exclusively through the Lepro LampUX app or voice commands.
Warranty and Support
For detailed warranty information and customer support, please refer to the official Lepro website or the full user manual PDF.
You can access the full user manual here.
For further assistance, please contact Lepro customer service through the "FAQ & Feedback" or "More Services" sections within the Lepro LampUX app.





