1. Producte acabatview
The BroadLink SC4B4 Wireless Smart Button Scene Switch is designed to enhance your home automation experience. Utilizing FastCon technology, this device offers instant pairing, low power consumption, and a stable, gateway-free self-organizing network. It allows you to activate pre-configured scenes and control compatible smart devices with simple button presses.
Què hi ha a la caixa:
- BroadLink SC4B4 Wireless Smart Button Scene Switch
- 1 pila CR2430 (preinstal·lada o inclosa per separat)

Image 1.1: The BroadLink SC4B4 Smart Button Scene Switch shown alongside a smartphone displaying the BroadLink app interface, illustrating the device and its digital control capabilities.
2. Informació de seguretat
Please read and understand all safety instructions before using this product. Failure to follow these instructions may result in fire, electric shock, injury, or damage to the product or property.
- Seguretat de la bateria: This device uses a CR2430 coin cell battery. Keep batteries out of reach of children. If swallowed, seek immediate medical attention. Dispose of used batteries properly according to local regulations. Do not expose batteries to excessive heat or direct sunlight.
- Entorn d'ús: Use the device in dry indoor environments only. Avoid exposure to moisture, extreme temperatures, or corrosive substances.
- Neteja: Netegeu el dispositiu amb un drap suau i sec. No utilitzeu netejadors líquids ni aerosols.
3. Característiques del producte
The BroadLink SC4B4 Scene Switch incorporates several features for convenient smart home control:
- FastCon Technology: Enables instant pairing, low power consumption, and a stable, self-organizing network without requiring a dedicated gateway.
- Out-of-Box Use: Pre-configured for immediate functionality with compatible BroadLink devices.
- Llarga vida útil de la bateria: Powered by a replaceable CR2430 battery, offering up to 2 years of operation.
- One-Tap Scene Setting: Easily save and activate custom scenes directly from the switch.
- Auto & One-Step Setup: Simplified pairing process with the BroadLink FastCon app.
- Alexa Routine Triggers: Can be configured to trigger Alexa routines for broader smart home integration.
- Wireless Dimmer: Long press buttons 1/2 to adjust the brightness of compatible lights (e.g., BroadLink LB4E26 Smart Bulb).
- Wireless Color Temperature Control: Long press buttons 3/4 to tune the color temperature of compatible lights from cool to warm (requires FastCon GW4C bulb or similar).
- Fully Wireless Installation: Portable design allows placement anywhere or attachment to surfaces without cables.

Image 3.1: A diagram illustrating the key features of the BroadLink FastCon Scene Switch, including its wireless capabilities and integration options.
4. Guia de configuració
4.1 Instal·lació de l'aplicació
- Descarrega't el BroadLink FastCon app from your smartphone's app store (available for Android and iOS).
- Open the app. Account creation is not required for basic functionality.
4.2 Emparellament de dispositius
Ensure the scene switch is within 5 meters of your smartphone during the pairing process.
- In the BroadLink FastCon app, tap the '+' icon or navigate to the 'Add Devices' option.
- Press and hold any two diagonal buttons (e.g., Button 1 & 4 or Button 2 & 3) on the scene switch for approximately 4 seconds. All indicator lights on the switch will illuminate, indicating it has entered Bluetooth configuration mode.
- The device should automatically appear as a pop-up in the app. Follow the on-screen prompts to complete the pairing process.
- Once paired, assign the switch to a specific room within the app. Each button is associated with a preset scene for that room.

Image 4.1: A user interacting with their smartphone to set up the BroadLink Smart Button Scene Switch, highlighting the ease of the setup process.
5. Instruccions de funcionament
5.1 Activating Scenes
After pairing and assigning the switch to a room, each button on the SC4B4 switch is linked to a preset scene. Simply press a button to activate the corresponding scene in the assigned room. These scenes can also be activated via the app.
5.2 Wireless Dimming (with compatible bulbs)
To dim or brighten lights, ensure you are using compatible BroadLink smart bulbs, such as the LB4E26 model.
- To Dim/Brighten: Long press Button 1 or Button 2. The brightness of the linked lights will adjust gradually. Release the button when the desired brightness is reached.

Image 5.1: An illustration showing the top two buttons of the BroadLink Smart Button Scene Switch used for wireless dimming of connected lights.
5.3 Wireless Color Temperature Control (with compatible bulbs)
To adjust the color temperature of lights, ensure you are using compatible BroadLink FastCon bulbs, such as the GW4C model.
- To Tune Color Temperature: Long press Button 3 or Button 4. The color temperature of the linked lights will shift from cool to warm. Release the button when the desired temperature is reached.

Image 5.2: An illustration showing the bottom two buttons of the BroadLink Smart Button Scene Switch used for wireless color temperature control of connected lights.
5.4 Customizing Scenes
You can customize the actions associated with each button within the BroadLink FastCon app. This allows you to create personalized scenes for different activities or moods.

Image 5.3: The BroadLink app interface demonstrating how to save a new ambiance or scene with a single tap, allowing for personalized control.
6. Manteniment
6.1 Substitució de la bateria
The BroadLink SC4B4 uses a CR2430 coin cell battery, which typically lasts up to 2 years. When the battery is low, the device's performance may be affected, or it may stop responding.
- Locate the battery compartment on the side or back of the scene switch.
- Use a small tool (e.g., a flathead screwdriver) to gently open the compartment.
- Traieu la bateria CR2430 antiga.
- Insert a new CR2430 battery, ensuring the positive (+) side is facing up.
- Tanqueu el compartiment de la bateria de manera segura.

Image 6.1: An illustration depicting the BroadLink Smart Button Scene Switch and its CR2430 coin cell battery, emphasizing its long operational life.
6.2 Neteja
To maintain the appearance and functionality of your scene switch, wipe it regularly with a soft, dry cloth. Do not use abrasive cleaners, solvents, or chemical sprays.
7. Solució De Problemes
- El dispositiu no s'està emparellant:
- Ensure the scene switch is within 5 meters of your smartphone during pairing.
- Verify that the battery is correctly installed and has sufficient charge.
- Confirmeu que el Bluetooth estigui habilitat al vostre telèfon intel·ligent.
- Try restarting the BroadLink FastCon app and repeating the pairing steps.
- Botons que no responen:
- Comproveu el nivell de la bateria i substituïu-la si cal.
- Ensure the switch is still paired with the app and assigned to a room.
- Verify that the target smart devices (e.g., bulbs) are powered on and connected to the BroadLink ecosystem.
- Dimming or color temperature control not working:
- Confirm that you are using BroadLink FastCon compatible bulbs (e.g., LB4E26 for dimming, GW4C for color tuning).
- Ensure the bulbs are properly paired and responsive within the BroadLink app.
- Alexa integration issues:
- Ensure your BroadLink account is correctly linked to your Alexa account.
- Verify that the scenes or routines triggered by the switch are properly configured in the Alexa app.
- Some advanced integrations may require a BroadLink Mini Hub (GW4C) for full functionality.
8. Especificacions
| Especificació | Detall |
|---|---|
| Número de model | SC4B4 |
| Mode d'operació | Manual |
| Vol. Operatiutage | 3 Volts |
| Tipus de contacte | Normalment obert |
| Tipus de connector | Wireless (BroadLink FastCon) |
| Terminal | Sense fil |
| Tipus de circuit | 1 vies |
| Tipus d'actuador | Pulsador |
| Material de contacte | Acrilonitril butadiè estirè (ABS) |
| Classificació de protecció internacional | IP00 |
| Nombre de llocs | 4 |
| Tipus de controlador | Android, iOS |
| Mètode de control | App |
| Protocol de connectivitat | FastCon |
| Color | Blanc |
| Wattage | 10 watts (for compatible bulbs) |
| Pes de l'article | 5.3 unces |
| Bateries | Necessita 1 bateria CR2430 (inclosa) |
| Fabricant | Hangzhou BroadLink Technology Co., Ltd. |
9. Garantia i Suport
BroadLink provides a 1 any de garantia for the SC4B4 Wireless Smart Button Scene Switch.
For technical assistance, BroadLink offers 24/7 unlimited technical support via messages. Please refer to the BroadLink FastCon app or the official BroadLink weblloc web per obtenir informació de contacte i recursos addicionals.
Video guides and further information can often be found on the product pages or within the BroadLink support sections online.





