1. Introducció
The SLMPLEFUN eWelink WiFi Smart Switch is a versatile 4-channel relay module designed to transform traditional devices into smart, internet-connected ones. It supports control via the eWeLink mobile application, a 2.4GHz remote controller, and voice commands through popular smart assistants like Amazon Alexa, Google Home, and IFTTT. This device is ideal for a wide range of applications, including controlling lights, DC and AC motors, and garage doors, enabling intelligent automation for your home or projects.

Acabatview of the eWelink WiFi Smart Switch, remote, and app control.
2. Especificacions
| Característica | Especificació |
|---|---|
| Número de model | ew7484 |
| Voltage | DC 7-48V or USB 5V |
| Corrent màxim | 10A |
| Canal | 4 |
| Comunicació sense fils | WiFi, Bluetooth |
| Estàndard WiFi | 802.11 b/g/n 2.4 GHz |
| Remote Controller Control Distance | 20m (In open space) |
| Bateria a distància | 2*AAA battery (Not included) |
| Receiver Module Size | 64*48*16 mm |
| Mida remota | 115*33*14 mm |
| Suport APP | Enllaç electrònic |
| Plataforma de suport | Android 5.0 & IOS 10 or higher |
| Funciona amb | Alexa, Google Home, IFTTT |
| Mètode de control | WiFi + ewelink 2.4GHz + Voice |
| Tipus de sortida | Sortida passiva |
| Potència en espera | < 10 mA |
| Temperatura de treball | -30 ~ + 80 ° C |
| Certificació | CE, RoHS |

Especificacions tècniques detallades.
3. Contingut del paquet
El paquet normalment inclou els components següents:
- eWelink WiFi Smart Switch (Receiver Module)
- RM2.4G Remote Controller (Optional, depending on the purchased variant)
Please check your package against the order details to ensure all components are present.
4. Configuració
4.1 Esquema de cablejat
Before connecting, ensure the power supply is disconnected to prevent electric shock. The module supports both DC 7-48V and USB 5V power input. Connect your devices (lights, motors, etc.) to the relay terminals as shown in the diagrams below. The terminals are labeled NO (Normally Open), COM (Common), and NC (Normally Closed).

Wiring for DC devices and DC motors.

Wiring for AC devices and AC motors.
4.2 Descàrrega de l'aplicació i configuració inicial
- Descarrega l'aplicació eWeLink: Cerca "eWeLink" on the App Store (iOS) or Google Play Store (Android) and install it.
- Prepare your phone: Ensure your phone is connected to a 2.4GHz WiFi network and that Bluetooth is enabled.

Steps for downloading the eWeLink app and enabling WiFi/Bluetooth.
4.3 Emparellament amb l'aplicació eWeLink
- Power on the module: Connect the eWelink module to its power supply.
- Introduïu el mode de vinculació: The module should automatically enter 'Pairing Network state'. If not, long-press the pairing button on the module for more than 5 seconds until the blue LED indicator blinks twice quickly and then stays on (in a cycle). This indicates it has entered pairing mode.
- Afegeix un dispositiu a l'aplicació: Open the eWeLink App, tap the "+" icon at the bottom of the screen, and select "Bluetooth Pairing".
- Seguiu les indicacions: Click "Next" and the app will automatically scan for the device. Follow the on-screen instructions to complete the pairing process.

Steps for adding a device via Bluetooth pairing in the eWeLink app.
5. Instruccions de funcionament
5.1 Control d'aplicacions
Once paired, you can control the smart switch from anywhere using the eWeLink App. Simply open the app, select your device, and use the toggles for each channel to turn connected devices ON or OFF.

Controlling devices via the eWeLink app.
5.2 Remote Control (RM2.4G)
The optional RM2.4G remote controller allows for local control of the smart switch. The control range can reach up to 20 meters in open areas.
- Vinculació del comandament a distància:
a. Open the added device in the eWeLink App and tap the settings icon in the upper right corner.
b. Select "eWeLink Remote" and follow the prompts on the app interface to pair your remote controller. - Funcions remotes: Each button (1, 2, 3, 4) on the remote controls a corresponding channel on the receiver. The remote also features "ALL ON" and "ALL OFF" buttons for simultaneous control of all channels.

Steps for pairing the remote controller via the eWeLink app.

The RM2.4G remote controller in use, showing its 20m control distance.
5.3 Control de veu
The smart switch is compatible with Amazon Alexa, Google Home, and IFTTT, allowing for hands-free voice control. Link your eWeLink account to your preferred smart assistant and use voice commands to operate your connected devices.

Using voice commands with Alexa and Google Home.
5.4 Mode d'avançament lent
Inching mode allows you to set the smart switch to automatically turn ON and then OFF (or vice-versa) after a specified duration (e.g., 0.5 seconds to several minutes). This is configurable through the eWeLink App.

Configuring inching mode in the eWeLink app.
5.5 Funció de temporització
Utilize the timing functions within the eWeLink App to create schedules, countdowns, or loop timers for your devices. For example, you can set lights to automatically turn on at dusk and turn off at dawn, or schedule a fan to run for a specific period.

Examples of timing functions: Loop Timer, Schedule, and Timer.
5.6 Control de grup
Group multiple smart switches or devices within the eWeLink App to control them simultaneously with a single command. This is particularly useful for managing multiple lights or appliances in a room or area. You can also share control of the device with family members through the app.

Controlling multiple devices as a group with one click.
6. Manteniment
To ensure optimal performance and longevity of your eWelink WiFi Smart Switch:
- Mantingueu el dispositiu en un lloc sec, allunyat de la humitat i de temperatures extremes.
- Eviteu exposar el dispositiu a la llum solar directa durant períodes prolongats.
- Clean the device periodically with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Ensure proper ventilation around the module to prevent overheating.
7. Solució De Problemes
- Q: Can I use my own remote to control this smart switch?
- A: No, you can only use the dedicated RM2.4G remote controller (if included with your purchase) or the eWeLink app to control this device.
- Q: Does this smart switch have WiFi functionality?
- A: Yes, it has WiFi functionality and works with the eWeLink platform. Please note it is not compatible with the Tuya platform.
- Q: Does it have a dimmer function?
- A: No, this smart switch provides on/off control only and does not support dimming functionality.
8. Consells d'usuari
- This module is excellent for converting existing button switches or remote-controlled devices into smart, internet-enabled devices, adding intelligence to your home.
- Consider using the group control feature for lights in a single room or area. This allows you to turn all of them on or off with a single tap in the app, which is especially useful for hard-to-reach switches.
- Experiment with the timing functions to automate daily routines, such as turning on outdoor lights at sunset or scheduling a fan to operate during specific hours.
9. Certificacions
The eWelink WiFi Smart Switch complies with the following certifications:
- CE
- RoHS
- FC
- Regne Unit CA

Certificacions de producte.
10. Suport
For any questions, technical assistance, or issues not covered in this manual, please contact the seller or manufacturer directly. Provide your product model number (EW7484) and a detailed description of the issue for faster support.

