1. Introducció
The DDPAI A400 is a high-performance 4K car dash camera designed to enhance driving safety and provide reliable video recording. Featuring advanced technologies such as 4K clear recording, ADAS driving assistance, NightVIS 2.0 for superior night vision, and comprehensive parking monitoring, the A400 ensures detailed footage and intelligent assistance for a safer and more convenient journey. It supports Wi-Fi and Bluetooth connectivity for easy app integration, allowing for real-time preview, playback, and sharing of recorded videos.

Image 1: DDPAI A400 Dash Cam and companion app interface.

Imatge 2: acabatview of the DDPAI A400's main features.
2. Què hi ha a la caixa
Si us plau, comproveu el contingut del paquet en desembalar-lo per assegurar-vos que hi hagi tots els elements:
- DDPAI A400 Mainframe (Dash Cam Unit)
- Carregador de cotxe
- Eina de palanca
- Cable d'alimentació d'3.5 m
- Adhesiu 3M
- Adhesius estàtics
- Manual d'usuari

Image 3: Contents of the DDPAI A400 package.
3. Especificacions
Detailed technical specifications for the DDPAI A400 Dash Cam:
| Característica | Especificació |
|---|---|
| Model | A400 |
| Entrada de potència | 5V=2A |
| Resolució | 3840*2160 (4K) |
| Lent | F2.0, 125° field of view, 2G2P |
| Format de vídeo | MP4 |
| IMU | Sensor G de 3 eixos |
| Supercondensador | Admet |
| Memòria externa màxima | 256GB MicroSD card (Class 10 recommended) |
| Wi-Fi | 2.4G |
| Bluetooth | BLE 5.0 |
| Mostra | Pantalla IPS de 1.9 polzades |
| Interfície d'alimentació | USB tipus C |
| Temperatura de funcionament | -20 °C ~ 60 °C |
| Temperatura d'emmagatzematge | -40 °C ~ 85 °C |
| Dimensions | 95.17 * 30.55 * 31.7 mm |
| Pes | 94.4 g |
4. Guia de configuració
4.1 Instal·lació de la targeta de memòria
- Assegureu-vos que la càmera del salpicader estigui apagada.
- Localitzeu la ranura de la targeta MicroSD al dispositiu.
- Insert a Class 10 or higher MicroSD card (up to 256GB recommended) into the slot until it clicks into place.
- Per treure-la, premeu suaument la targeta fins que surti.
Nota: For optimal performance and to prevent storage issues, we recommend using a DDPAI U3 high-speed memory card.
4.2 Instal·lació física
- Netegeu la zona del parabrisa on voleu muntar la càmera del salpicader.
- Apply the static sticker to the cleaned area on the windshield. This helps protect your windshield and makes removal easier.
- Attach the 3M adhesive mount to the static sticker, ensuring a firm press for secure adhesion.
- Mount the DDPAI A400 dash cam onto the adhesive mount.
- Adjust the lens angle to capture the desired view de la carretera.
4.3 Connexió d'alimentació
- Connect the 3.5m power cable to the USB Type-C port on the dash cam.
- Route the power cable along the edge of your windshield and dashboard, using the provided pry tool to tuck it neatly into crevices.
- Plug the car charger into your vehicle's cigarette lighter socket or a suitable USB power outlet.
- Engega el vehicle per encendre la càmera del salpicader.
5. Instruccions de funcionament
5.1 Basic Recording (Loop Recording)
The A400 automatically begins recording when powered on. It utilizes loop recording, meaning when the storage space on the MicroSD card is full, the dash cam automatically overwrites the earliest recorded videos to ensure continuous recording.

Imatge 4: Funcionalitat d'enregistrament en bucle.
5.2 4K Clear Recording
The A400 captures stunning video quality with 4K resolution (3840 x 2160). Its main camera features 4 sets of HD optical lenses and an F2.0 large aperture, which improves lighting and detail capture, especially during night driving.

Imatge 5: Ex.ample of 4K clear recording during the day.

Imatge 6: Ex.ample of 4K clear recording at night.
5.3 ADAS Driving Assistance
The Advanced Driver-Assistance Systems (ADAS) provide real-time safety alerts and customizable settings to assist with safer driving. These features include warnings for lane departure, forward collision, and vehicle ahead starting to move.

Image 7: ADAS feature indicating a vehicle ahead has started moving.
5.4 Drowsy Driving Reminder
The A400 can detect continuous driving for 4 hours. If detected, a voice prompt will remind the driver to take a proper break, promoting safer long-distance travel.

Image 8: Drowsy Driving Reminder in action.
5.5 Night Vision (NightVIS 2.0)
Equipped with Pictrey's advanced NightVIS 2.0 technology, the A400 delivers superior night vision, providing brighter and clearer images in low-light conditions, crucial for nighttime recording and parking monitoring.

Image 9: NightVIS 2.0 technology for enhanced night vision.
5.6 Monitorització d'aparcaments
The A400 offers 24/7 parking monitoring to keep your vehicle guarded even when unattended. This feature requires an Intelligent Hardwire Kit (sold separately) for continuous power.
- Mode de gravació a intervals: Continuously records at 1 frame per second, providing smooth, detailed footage that saves storage while capturing all details during long parking periods.
- Mode de detecció de col·lisions: Automatically triggers high-definition recording upon detecting any impact, capturing critical moments precisely to safeguard your vehicle.
- IPS Power Management: With the IPS power management system, vehicle voltage can be detected intelligently to avoid draining the car battery during parking monitoring. This also requires an Intelligent Hardwire Kit.

Image 10: 24/7 Parking Monitoring feature.

Image 11: IPS Power Management system.
5.7 Wi-Fi & Bluetooth App Connection
Connect your A400 to the DDPAI App via built-in Wi-Fi and Bluetooth for enhanced control and functionality:
- Previ a temps realview: View viu footage from your dash cam directly on your smartphone.
- Reproducció i descàrrega: Easily play back recorded videos and download important clips to your phone.
- Editing & Sharing: Edit your videos with various effects, filters, and music, then share them on social media.
After the first Bluetooth pairing, the app automatically connects to the dashcam's built-in Wi-Fi, making subsequent access seamless.

Image 12: Wi-Fi and Bluetooth connectivity with the DDPAI App.
6. Manteniment
6.1 Neteja del dispositiu
- Ensure the device is powered off and disconnected from power before cleaning.
- Use a soft, dry cloth to wipe the exterior of the dash cam.
- Per a la lent, feu servir un drap especialitzat per a la neteja de lents per evitar ratllades. No utilitzeu productes de neteja abrasius ni dissolvents.
6.2 Gestió de targetes de memòria
- Regularly format your MicroSD card (e.g., once a month) through the dash cam's settings or the DDPAI app to maintain optimal performance and prevent data corruption.
- Back up any important footage abans de formatar.
- Replace the MicroSD card if you notice frequent errors, slow performance, or if it has reached its end of life (typically after many write cycles).
7. Solució De Problemes
7.1 La càmera del salpicader no s'encén
- Check if the car charger is properly plugged into the vehicle's power outlet and the dash cam.
- Ensure the vehicle's power outlet is functional (e.g., by testing with another device).
- Verify the power cable is not damaged.
7.2 Recording Issues (e.g., Freezing, Gaps)
- Ensure you are using a Class 10 or higher MicroSD card. Lower class cards may not keep up with 4K recording speeds.
- Format the MicroSD card regularly.
- Try a different, high-quality MicroSD card to rule out card issues.
- Check for firmware updates for the dash cam via the DDPAI app.
7.3 Problemes de connexió Wi-Fi
- Assegureu-vos que la càmera del salpicader estigui engegada.
- Reinicieu tant la càmera del salpicader com el telèfon intel·ligent.
- Assegureu-vos que esteu a prop de la càmera del salpicader.
- If it's the first connection, ensure Bluetooth is enabled on your phone for initial pairing.
7.4 ADAS or Voice Prompts Not Working
- Ensure the dash cam's firmware is up to date.
- Check the settings in the DDPAI app to ensure ADAS features and voice prompts are enabled.
- Verify the dash cam is mounted correctly and has a clear view de la carretera.
8. Consells d'usuari
- Use a High-Quality SD Card: Many recording issues are resolved by using a reliable, high-speed (U3 rated) MicroSD card from a reputable brand.
- Formatació regular: To prevent data corruption and ensure smooth recording, format your MicroSD card monthly.
- Col·locació òptima: Mount the dash cam in a location that provides a clear, unobstructed view of the road without interfering with your driving visibility.
- Parking Monitor Hardwire Kit: For full 24/7 parking monitoring functionality, including time-lapse recording and IPS power management, an Intelligent Hardwire Kit is essential.
9. Garantia i Suport
9.1 DDPAI 365-Day Free Replacement Guarantee
DDPAI offers a 365-day free replacement guarantee for non-human quality defects within the manufacturer's warranty scope. This covers hardware quality issues and non-human damages that cannot be resolved by software updates only.
To claim a replacement:
- Pas 1: Contact the seller or DDPAI support.
- Pas 2: The seller will confirm the issue.
- Pas 3: Return the item as instructed.
- Pas 4: The seller will verify the return.
- Pas 5: A brand-new replacement unit will be sent to you.
You are responsible for return shipping costs, while DDPAI covers the delivery of the new replacement.

Image 13: DDPAI 365-Day Free Replacement Guarantee process.
9.2 Contacteu amb l'assistència
For further assistance, technical support, or warranty claims, please refer to the contact information provided in your original purchase documentation or visit the official DDPAI weblloc.





