1. Introducció
The Kaito Smart Plug KA402 is a Wi-Fi controlled power outlet designed to integrate with your smart home system. It allows you to remotely control connected devices, set schedules, and utilize voice commands through compatible platforms like Amazon Alexa. This manual provides instructions for setup, operation, and maintenance to ensure optimal performance and safety.

Imatge 1: Frontal view of the Kaito Smart Plug KA402.
2. Informació de seguretat
- No desmunteu ni modifiqueu el dispositiu.
- Eviteu l'exposició a l'aigua o ambients humits.
- Do not exceed the maximum load rating of the smart plug. Refer to the specifications section for details.
- Mantenir fora de l'abast dels nens.
- Ensure the smart plug is properly inserted into a wall outlet.
- Desconnecteu el dispositiu de la presa de corrent abans de netejar-lo.
3. Producte acabatview
The Kaito Smart Plug KA402 features a compact design with a standard US plug. It includes a manual on/off button with an LED indicator and is constructed from fire-retardant ABS material.

Image 2: Diagram showing the dimensions and labeled components of the Kaito Smart Plug KA402, including the Manual On/Off button, LED Light, Fire Retardant ABS casing, and US Plug.
Components:
- Botó d'encesa/apagada manual: Press to manually turn the connected device on or off. Also used for pairing.
- Llum LED: Indicates the status of the smart plug (e.g., power on/off, pairing mode).
- Endoll dels EUA: For insertion into a standard wall outlet.
- US Outlet: To connect your appliance.
4. Configuració
4.1. Descarrega l'aplicació
The Kaito Smart Plug KA402 operates with either the Jinvoo Smart App or the Tuya App. Download one of these applications to your smartphone or tablet.
- For iOS devices, you can download the Jinvoo app from the App Store: Jinvoo Smart App (iOS)
- Cerca "Jinvoo Smart" or "Tuya Smart" in your device's app store (Google Play Store for Android, Apple App Store for iOS).

Image 3: Illustration of remote control capabilities using the Jinvoo Smart App, showing various appliances that can be controlled.
4.2. Prepare for Connection
- Plug the Kaito Smart Plug into a wall outlet.
- Ensure your smartphone or tablet is connected to a Xarxa Wi-Fi de 2.4 GHz. The smart plug does not support 5GHz Wi-Fi networks.
- Open the Jinvoo or Tuya app and register an account if you haven't already.
4.3. Pair the Device
- In the app, tap the "+" icon or "Add Device" to begin the pairing process.
- Follow the on-screen instructions to select the device type (e.g., "Electrical Outlet" or "Smart Plug").
- The app will guide you through putting the smart plug into pairing mode. This usually involves pressing and holding the manual on/off button on the plug until the LED indicator blinks rapidly.
- Confirm the blinking status in the app and enter your Wi-Fi network password.
- The app will then attempt to connect to the smart plug. Once connected, the LED indicator on the plug will stop blinking and remain solid.
- You can rename the smart plug in the app for easier identification (e.g., "Living Room Lamp").
5. Instruccions de funcionament
5.1. Control manual
Press the physical button on the Kaito Smart Plug to manually turn the connected appliance on or off. The LED indicator will show the current power status.
5.2. Control remot mitjançant l'aplicació
Once paired, you can control the smart plug from anywhere using the Jinvoo or Tuya app on your smartphone or tablet, provided you have an internet connection.
- Obre l'aplicació i selecciona l'endoll intel·ligent que vols controlar.
- Tap the power icon to toggle the connected device on or off.

Image 4: Visual representation of controlling lights and appliances globally using a smartphone or tablet, highlighting the convenience of remote access.
5.3. Programació
Set custom schedules to automatically turn your devices on or off at specific times. This feature helps automate your home and save energy.
- In the app, select the smart plug.
- Navegueu fins a la secció "Programació" o "Temporitzador".
- Add a new schedule, set the desired time, and choose whether to turn the device on or off.
- Select the days of the week for the schedule to repeat.

Image 5: Diagram illustrating the automatic scheduling feature of the Kaito Smart Plug, showing various appliances like a coffee maker, fan, and lamp estant controlat.
5.4. Mode Absent
The "Away Mode" feature can simulate occupancy by randomly turning lights and other connected devices on and off, providing an appearance that someone is home while you are away.
- In the app, select the smart plug.
- Look for the "Away Mode" or similar setting.
- Activate the mode and configure its duration or specific times if available.

Image 6: Screenshot of the app interface demonstrating the "Away Mode" feature, which randomly turns lights on and off to simulate occupancy.
5.5. Voice Control (Alexa Compatible)
The Kaito Smart Plug KA402 is compatible with Amazon Alexa, allowing for hands-free control of your connected devices.
- Ensure your smart plug is successfully paired with the Jinvoo or Tuya app.
- Obriu l'aplicació Amazon Alexa.
- Go to "Skills & Games" and search for "Jinvoo Smart" or "Tuya Smart" skill.
- Enable the skill and link your Jinvoo/Tuya account.
- Discover devices. Alexa will find your Kaito Smart Plug.
- Ara podeu utilitzar ordres de veu com ara:
- "Alexa, turn on [Smart Plug Name]."
- "Alexa, turn off [Smart Plug Name]."

Image 7: Depiction of the Kaito Smart Plug being controlled by voice or phone, emphasizing its ease of use in a home setting.
6. Especificacions
| Característica | Detall |
|---|---|
| Número de model | KA402 |
| Protocol de connectivitat | Wi-Fi (només 2.4 GHz) |
| Mètode de control | Remote (App), Voice (Alexa) |
| Mode d'operació | Automàticament, Desactivat |
| Tipus de connector | Sense fil |
| Tipus d'actuador | Endoll |
| Material de contacte | Coure, llautó |
| Classificació de protecció internacional | IP54 |
| Color | Blanc |
| Dimensions (aprox.) | 10cm (3.9in) H x 5.7cm (2.2in) W x 3cm (1.2in) D (excluding prongs) |
| Material | ABS ignífug |
7. Solució De Problemes
7.1. El dispositiu no es connecta a la Wi-Fi
- Comprova la banda Wi-Fi: Ensure your router is broadcasting a 2.4GHz Wi-Fi signal and your phone is connected to it during setup. The smart plug does not support 5GHz networks.
- Proximitat del router: Move the smart plug closer to your Wi-Fi router during the initial setup.
- Restableix l'endoll: Press and hold the manual on/off button for 5-10 seconds until the LED blinks rapidly, indicating it's in pairing mode.
- Configuració del router: Check your router settings for any restrictions on new devices or MAC address filtering.
7.2. App Not Responding / Device Offline
- Connexió a Internet: Verifiqueu que el vostre telèfon intel·ligent tingui una connexió a Internet activa.
- Plug Power: Ensure the smart plug is powered on and the LED indicator is solid.
- Estat del router: Comproveu si el vostre encaminador Wi-Fi funciona correctament.
- Reinici de l'aplicació: Close and reopen the Jinvoo or Tuya app.
7.3. Alexa Voice Control Not Working
- Skill Enabled: Confirm that the "Jinvoo Smart" or "Tuya Smart" skill is enabled in your Alexa app and linked to your account.
- Descobriment de dispositius: Ask Alexa to "Discover devices" after linking the skill.
- Nom del dispositiu: Ensure you are using the correct name for your smart plug as configured in the Alexa app.
8. Manteniment
- Neteja: Disconnect the smart plug from the power outlet before cleaning. Use a soft, dry cloth to wipe the surface. Do not use liquid cleaners or sprays.
- Emmagatzematge: Store the smart plug in a cool, dry place when not in use.
9. Garantia i Suport
For warranty information or technical support, please refer to the contact details provided with your product packaging or visit the official Kaito weblloc. Conserveu el rebut de compra per a reclamacions de garantia.



