1. Introduction
This manual provides essential information for the safe and efficient use of your Twinkly TWS250STP-BEU 4.3mm RGB String Light. Please read these instructions carefully before installation and operation. Retain this manual for future reference.
2. Product Overview
The Twinkly TWS250STP-BEU is a smart RGB LED string light system designed for both indoor and outdoor decorative lighting. It features 250 bright, colorful RGB LEDs on a black and green wire, controlled via Wi-Fi and Bluetooth through a dedicated smartphone application. This Generation II model offers advanced customization options and smart home integration.
Key Features:
- LED Type: RGB (Red, Green, Blue) for a wide spectrum of colors.
- Control: Bluetooth and Wi-Fi connectivity for app-based control.
- Lens Type: Flat Lens design.
- Length: 20 meters of illuminated string.
- Durability: IP44 rated for indoor and outdoor use.
- Smart Integration: Compatible with Google Assistant and Amazon Alexa.
- Synchronization: Ability to synchronize with other Twinkly devices (up to 4000 LEDs or 10 devices with good Wi-Fi coverage).
3. Package Contents
Verify that all components are present in the package:
- Twinkly TWS250STP-BEU RGB String Light (250 LEDs, 20m length)
- Wi-Fi / Bluetooth Controller (integrated)
- Power Adapter
- Instruction Manual (this document)

Figure 3.1: The Twinkly TWS250STP-BEU string light packaging, showing the product box with "250 Multicolor RGB LED" and "App Controlled" labels.
4. Setup Instructions
4.1 Physical Installation
- Unpack: Carefully remove the string lights from the packaging, ensuring the wire does not tangle.
- Placement: Determine the desired location for your lights. The IP44 rating allows for both indoor and outdoor use. Ensure the power adapter is protected from direct water exposure if used outdoors.
- Arrange Lights: Position the 20-meter string light as desired. For optimal app mapping, try to spread the lights evenly across the intended surface (e.g., Christmas tree, wall).
4.2 Power Connection
- Connect Power Adapter: Plug the string light's connector into the provided power adapter.
- Plug In: Insert the power adapter into a suitable electrical outlet. The lights should illuminate with a default pattern.
4.3 App Download and Initial Pairing
- Download App: Download the "Twinkly" app from your smartphone's app store (iOS or Android).
- Create Account: Open the app and follow the on-screen instructions to create a new user account or log in if you already have one.
- Add Device: In the app, select "Add New Device" and choose your Twinkly String Light model.
- Connect via Bluetooth: The app will guide you to connect to the Twinkly device via Bluetooth for initial setup. Ensure Bluetooth is enabled on your smartphone.
- Connect to Wi-Fi: After Bluetooth pairing, the app will prompt you to connect your Twinkly lights to your home Wi-Fi network. Select your Wi-Fi network (2.4 GHz band recommended) and enter the password. This enables full functionality and remote control.
4.4 Mapping the Lights
The Twinkly app features a mapping function that uses your smartphone's camera to detect the exact position of each LED. This allows for precise and customized lighting effects.
- Start Mapping: In the Twinkly app, navigate to the mapping section.
- Follow On-Screen Prompts: The app will instruct you to point your phone's camera at the installed lights. Move your phone as directed to capture all LEDs.
- Review Map: Once mapping is complete, the app will display a visual representation of your lights. You can re-map if the result is not satisfactory.
5. Operating Instructions
5.1 Using the Twinkly App
The Twinkly app is the primary interface for controlling your string lights.
- Effects Gallery: Browse and apply a wide range of pre-set lighting effects and animations.
- Customization: Create your own unique effects by selecting colors, patterns, and animation speeds. The mapping feature ensures these effects are applied accurately to your specific light arrangement.
- Online Gallery: Access an online gallery for additional effects and animations available for download.
- Brightness Control: Adjust the overall brightness of the lights.
- Timer Function: Set schedules for your lights to turn on and off automatically.

Figure 5.1: Twinkly string lights illuminating a Christmas tree, demonstrating various color effects.
5.2 Smart Home Integration
Your Twinkly lights can be integrated with popular smart home platforms:
- Google Assistant: Link your Twinkly account to Google Home to control your lights using voice commands.
- Amazon Alexa: Enable the Twinkly skill in the Alexa app to manage your lights with Alexa voice commands.
5.3 Device Synchronization
Multiple Twinkly devices can be synchronized to create larger, coordinated displays. Up to 4000 LEDs or 10 devices can be synchronized, provided there is adequate Wi-Fi coverage. Refer to the Twinkly app for detailed instructions on synchronizing multiple devices.
6. Maintenance
6.1 Cleaning
To clean your Twinkly string lights, ensure they are unplugged from the power source. Use a soft, dry cloth to gently wipe away dust or dirt from the LEDs and wires. Do not use harsh chemicals or abrasive cleaners.
6.2 Storage
When not in use, carefully coil the string lights to prevent tangling. Store them in a cool, dry place, away from direct sunlight and extreme temperatures. The original packaging can be used for storage.
6.3 IP44 Rating
The Twinkly TWS250STP-BEU has an IP44 rating, meaning it is protected against solid objects larger than 1mm and against splashing water from any direction. While suitable for outdoor use, it is not designed for submersion in water. Ensure the power adapter is kept in a dry location.
7. Troubleshooting
If you encounter issues with your Twinkly string lights, refer to the following common solutions:
- Lights Not Turning On:
- Check if the power adapter is securely plugged into both the lights and the electrical outlet.
- Ensure the outlet is functional by testing it with another device.
- Cannot Connect to Wi-Fi:
- Ensure your Wi-Fi network is 2.4 GHz. Twinkly devices typically do not support 5 GHz networks.
- Verify that your Wi-Fi password is entered correctly in the app.
- Move the Twinkly device closer to your Wi-Fi router.
- Restart your Wi-Fi router and the Twinkly device by unplugging and re-plugging it.
- App Not Detecting Device:
- Ensure Bluetooth is enabled on your smartphone during initial setup.
- Make sure the Twinkly device is powered on and within Bluetooth range of your phone.
- Try closing and reopening the Twinkly app.
- Effects Not Displaying Correctly:
- Re-run the mapping process in the Twinkly app to ensure accurate LED detection.
- Check for any physical damage to the LED string.
- Smart Home Integration Issues:
- Ensure your Twinkly account is correctly linked within the Google Home or Amazon Alexa app.
- Verify that your Twinkly device is connected to Wi-Fi.
For further assistance, consult the official Twinkly support website or contact customer service.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | Twinkly |
| Model Number | TWS250STP-BEU |
| Number of Lights | 250 LEDs |
| Light Type | RGB LED (4.3mm) |
| Wire Color | Black and Green |
| Length | 20 meters |
| Connectivity | Wi-Fi, Bluetooth |
| Generation | Gen II |
| IP Rating | IP44 (Indoor/Outdoor use) |
| Voltage | 240 Volts |
| Wattage | 24 watts |
| Material | Plastic |
| Product Dimensions | 20 x 18 x 8.5 cm (packaging); 860 g |
| Special Features | Timer, Adjustable Lighting |

Figure 8.1: Energy label for Twinkly TWS250STP-BEU, showing energy efficiency class G and 20 kWh/1000h consumption. For more details, refer to the EPREL database (QR code 1179116).
9. Warranty and Support
Twinkly products are covered by a manufacturer's warranty. Please refer to the warranty card included with your product or visit the official Twinkly website for detailed warranty terms and conditions.
Customer Support:
- Website: www.twinkly.com
- Email: info@ledworks.io
- Telephone: +390492701898
- Manufacturer: LEDWORKS S.R.L.
- Address: Via Tortona 37, 20144 Milano, Italy





