Introduction
Thank you for choosing the TRAMSMART Smart Bulb A19. This smart LED bulb offers a wide range of colors, tunable white light, and smart control features through WiFi and Bluetooth. It is compatible with voice assistants like Amazon Alexa and Google Assistant, allowing for convenient hands-free operation. This manual provides detailed instructions for installation, setup, operation, and troubleshooting to ensure you get the most out of your smart lighting experience.
Safety Information
- Ensure the power is turned off before installing or removing the bulb.
- Do not use with standard dimmers. This bulb is dimmable only via the smart app or voice control.
- Suitable for dry locations only. Do not expose to water or moisture.
- Do not disassemble the bulb. This will void the warranty.
- Operate within the specified voltage range.
Package Contents
- TRAMSMART Smart Bulb A19 (quantity as purchased, e.g., 4-pack)
- User Manual
Product Features
Multicolor & Tunable White
Experience 16 million colors and adjustable white light from warm (2700K) to cool (6500K) to match any mood or activity.

Image: A smart bulb illustrating its capability to produce 16 million colors and tunable white light from warm (2700K) to cool (6500K).
Voice Control Compatibility
Seamlessly integrate with Amazon Alexa and Google Assistant for convenient voice commands to control your lighting.

Image: A user interacting with an Amazon Echo device to control the smart bulb, demonstrating voice control functionality.
Remote & Group Control
Control individual bulbs or create groups to manage multiple bulbs simultaneously from anywhere using the dedicated app.

Image: A house with various rooms illuminated by smart bulbs, illustrating remote and group control capabilities through a mobile application.
Timer Function & Schedules
Set schedules for your bulbs to turn on or off at specific times, or use the countdown timer for temporary lighting needs.

Image: A visual representation of the timer function, showing a smart bulb turning on for waking up and turning off for sleeping, managed via a smartphone app.
Music Sync Mode
Synchronize your lighting with music beats for an immersive audio-visual experience, perfect for parties or relaxation.

Image: A group of people enjoying a party with dynamic, color-changing smart lighting synchronized to music.
Biorhythm Mode
Adjust lighting automatically throughout the day to mimic natural sunlight, supporting your body's natural circadian rhythm.

Image: A visual guide to the Biorhythm mode, demonstrating how the smart bulb adjusts its light temperature and brightness to align with natural daylight patterns.
Setup Instructions
- Install the Bulb: Screw the TRAMSMART Smart Bulb A19 into a standard E26/E27 light socket. Ensure the power is off before installation.
- Power On: Turn on the light switch. The bulb should blink rapidly, indicating it's in pairing mode. If it doesn't blink, turn the light switch off and on three times (on-off-on-off-on) to reset it.
- Download the App: Download the recommended smart home app (e.g., Smart Life, Tuya Smart) from your smartphone's app store (iOS or Android).
- Register/Log In: Open the app and register for a new account or log in if you already have one.
- Add Device: In the app, tap "Add Device" or the "+" icon. Select "Lighting" then "Light Source (Wi-Fi)".
- Connect to Wi-Fi: Confirm the bulb is blinking rapidly. Enter your 2.4 GHz Wi-Fi network password. Note: The bulb only supports 2.4 GHz Wi-Fi networks.
- Pairing: The app will begin pairing with the bulb. Once connected, you can rename the bulb and start controlling it.
- Connect to Voice Assistant (Optional):
- For Alexa: Open the Alexa app, go to "Skills & Games," search for the smart home app (e.g., Smart Life), enable the skill, and link your account. Then, discover devices.
- For Google Assistant: Open the Google Home app, tap "Set up device," then "Works with Google," search for the smart home app, link your account, and assign the bulb to a room.
Operating Instructions
Using the Smart Home App:
- On/Off: Tap the power icon next to the bulb's name to turn it on or off.
- Color Adjustment: Select the bulb, then navigate to the "Color" tab. Choose from the color wheel or preset scenes.
- White Light Adjustment: Select the bulb, then navigate to the "White" tab. Adjust brightness and color temperature (warm to cool white).
- Dimming: Use the brightness slider in either the "Color" or "White" tab to adjust the light intensity from 1% to 100%.
- Scene Selection: The app offers various preset scenes (e.g., Reading, Party, Relax). You can also create custom scenes.
- Timer & Schedule: Access the "Schedule" or "Timer" function within the bulb's settings to set automated on/off times or countdowns.
- Music Sync: In the app, select the "Music" mode. The bulb's colors will change in rhythm with music played through your phone's microphone.
- Group Control: Create groups of bulbs in the app to control multiple lights simultaneously.
Using Voice Commands:
Once connected to Alexa or Google Assistant, use commands such as:
- "Alexa/Hey Google, turn on [Bulb Name]."
- "Alexa/Hey Google, turn off [Bulb Name]."
- "Alexa/Hey Google, set [Bulb Name] to blue."
- "Alexa/Hey Google, dim [Bulb Name] to 50%."
- "Alexa/Hey Google, make [Bulb Name] warmer/cooler."
Maintenance
- Cleaning: Ensure the bulb is off and cool before cleaning. Wipe with a soft, dry cloth. Do not use liquid cleaners.
- Storage: If storing the bulb for an extended period, keep it in a cool, dry place away from direct sunlight.
- Firmware Updates: Periodically check the smart home app for firmware updates to ensure optimal performance and security.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Bulb does not turn on. | No power; loose connection; bulb faulty. | Check light switch and power supply. Ensure bulb is screwed in tightly. Test bulb in another fixture. |
| Bulb not pairing/connecting to app. | Incorrect Wi-Fi band (not 2.4 GHz); incorrect password; bulb not in pairing mode; Wi-Fi signal too weak. |
|
| Voice control not working. | Not linked to Alexa/Google Assistant; incorrect device name; internet connectivity issues. |
|
| Bulb disconnects frequently. | Weak Wi-Fi signal; network congestion. |
|
| Colors appear dim or inaccurate. | Brightness setting too low; specific color limitations. |
|
Specifications
| Feature | Detail |
|---|---|
| Model | A19 |
| Brand | TRAMSMART |
| Wattage | 9 Watts |
| Lumen Output | 800 Lumens |
| Color Temperature | 2700K - 6500K (Tunable White) |
| Color Options | 16 Million RGB Colors |
| Connectivity | Wi-Fi (2.4 GHz only) & Bluetooth |
| Voice Assistant Compatibility | Amazon Alexa, Google Assistant |
| Dimmable | Yes (via app/voice control) |
| Special Features | Dimmable, Color Changing, Music Sync, Timer, Schedule, Group Control, Biorhythm Mode |
| Bulb Shape Size | A19 |
| Dimensions (approx.) | 14.1 x 12.8 x 12.6 cm (Package) |
| Batteries Required | No |

Image: TRAMSMART Smart Bulb A19 showing its physical dimensions and a summary of its features.
Warranty and Support
TRAMSMART products typically come with a limited warranty. Please refer to the warranty card included with your purchase or visit the official TRAMSMART website for detailed warranty information and terms. For technical support, troubleshooting assistance, or any product-related inquiries, please contact TRAMSMART customer service through their official channels. Contact information can usually be found on the product packaging or the brand's website.
Note: Keep your purchase receipt as proof of purchase for warranty claims.





