1. Product Overview
The 25HOURS HK3 is a comprehensive intelligent driving solution designed to upgrade your vehicle with modern car technologies. It features wireless Apple CarPlay and Android Auto, a 4K dash camera, a 1080P backup camera, real-time navigation, and multiple audio output options, all integrated into a portable 10.26-inch touchscreen device.
2. What's in the Box
Verify that all items are present in your package:
- 10.26-inch Portable Car Screen
- 10m Full Copper Extension Cable + 1080P Backup Camera
- 3m AUX Audio Cable
- 3m Power Cord (12V cigarette lighter compatible with 12-24V vehicles)
- Fixed Base Bracket
- Retractable Bracket (Suction Cup Mount)
- User Manual
- 64GB SD Card
Image: The package contents laid out, showing the main screen, front and rear cameras, various cables, and mounting options.
3. Setup and Installation
The HK3 is designed for universal plug-and-play installation, requiring no complex wiring or permanent modifications. It can be easily transferred between vehicles.
3.1 Mounting the Device
Two mounting options are provided:
- Suction Cup Mount: For windshield or smooth dashboard surfaces. Ensure the surface is clean before applying.
- Adhesive Base Bracket: For a more permanent and stable dashboard installation. Clean the dashboard surface thoroughly with alcohol and allow it to dry before applying the adhesive.
Image: Illustration of the two included mounting brackets, showing their adjustable nature.
3.2 Power Connection
Connect the provided power cord to the device and plug the other end into your car's 12V cigarette lighter socket. The device is compatible with 12-24V vehicles.
3.3 Rear Camera Installation
The 1080P rear camera provides a 150-degree wide viewing angle and includes dynamic parking guidelines. It is waterproof (IP67) and comes with a 33ft cable for versatile installation.
- Mount the rear camera near your license plate or desired rear location.
- Route the 33ft cable from the rear camera to the main unit, tucking it neatly along the vehicle's interior trim.
- Connect the red wire of the rear camera to the positive terminal of your vehicle's reverse lights. This enables automatic activation of parking guidelines when shifting into reverse.
Image: Visual representation of the dash cam and backup camera system, highlighting features like G-sensor, loop recording, and parking guidelines.
3.4 Cable Management
Neatly tuck all cables along the edges of your dashboard and windshield trim to ensure a clean and unobstructed view while driving.
Video: This video demonstrates the unboxing and initial setup of the 25HOURS HK3 portable CarPlay and Android Auto screen, showing the components and basic installation steps.
4. Operating Instructions
The HK3 features a vibrant 10.26-inch IPS touchscreen with 1600x600 resolution and a 60Hz refresh rate for clear visuals.
4.1 Wireless Apple CarPlay & Android Auto
Enjoy seamless wireless connectivity for your smartphone.
- Ensure Bluetooth and Wi-Fi are enabled on your smartphone.
- On the HK3 screen, navigate to the CarPlay or Android Auto icon.
- Pair your phone with the HK3 via Bluetooth. Once paired, your phone will automatically connect to CarPlay or Android Auto.
- Access navigation, music, calls, and messages directly from the HK3 screen.
Image: Detailed steps for connecting an iPhone to Wireless Apple CarPlay on the HK3 screen.
Image: Detailed steps for connecting an Android phone to Wireless Android Auto on the HK3 screen.
4.2 GPS Navigation
The HK3 leverages your smartphone's GPS for real-time navigation, traffic conditions, and accurate ETAs through apps like Google Maps and Waze.
Image: The HK3 screen showing a navigation map with icons for Apple Maps, Waze, Google Maps, Weather, and Sygic.
4.3 Dash Cam & Backup Camera Features
The device includes a built-in 4K front-facing dash camera and a 1080P rear camera for comprehensive recording.
- Loop Recording: Old footage is automatically overwritten to ensure continuous recording.
- G-Sensor: Detects sudden impacts and locks the current video file to prevent overwriting, preserving crucial evidence.
- Night Vision: The rear camera features advanced night vision for clear images in low-light conditions.
- Parking Guidelines: Dynamic adjustable parking guidelines activate automatically when reversing.
- WiFi App Connectivity: Download the dedicated app to review, download, and share recordings directly to your phone over WiFi. Download the app here.
Video: This video demonstrates the clear recording quality of the front camera on the 25HOURS HK3 screen.
4.4 Screen Mirroring (AirPlay & Miracast)
Stream movies, YouTube, TikTok, and other content from your phone to the 10.26-inch IPS touchscreen via AirPlay (for iOS) or Miracast (for Android).
Image: The HK3 screen showing a video mirrored from a smartphone, illustrating the AirPlay and Android Cast features.
4.5 Audio Output Options
The HK3 offers multiple ways to enjoy audio:
- Bluetooth: Stream wirelessly to your car's stereo or the HK3's built-in speakers.
- 3.5mm AUX Cable: Connect directly for lossless audio quality.
- FM Transmitter: Broadcast audio to your car's FM radio.
- Built-in Speakers: Utilize the integrated speakers for direct audio output.
Image: Visual guide demonstrating the three primary audio connection methods: FM Transmit, Bluetooth, and Aux Connection.
4.6 Voice Control
Use Siri or Google Assistant for hands-free control of navigation, music playback, phone calls, and messages, enhancing driving safety.
Image: A visual representation of the hands-free voice control feature, showing speech bubbles for commands like 'Hi, Google! Play music on Spotify' and 'Hi, Siri! Call John'.
5. Maintenance
- Cleaning: Use a soft, dry cloth to clean the screen. Avoid abrasive cleaners or solvents.
- Software Updates: Periodically check the manufacturer's website or app for any available software updates to ensure optimal performance and new features.
- SD Card: Format the included 64GB SD card regularly to maintain recording efficiency, especially if the G-sensor frequently locks video files.
6. Troubleshooting
- No Power: Ensure the 12V power cord is securely plugged into both the device and the car's cigarette lighter. Check the vehicle's fuse for the cigarette lighter socket.
- Connectivity Issues (CarPlay/Android Auto):
- Ensure Bluetooth and Wi-Fi are active on your phone.
- Forget the device from your phone's Bluetooth settings and re-pair.
- Restart both the HK3 device and your smartphone.
- Static/Hissing Sound via AUX: Some users may experience ground loop issues. Try using a ground loop isolator (not included) or switch to Bluetooth/FM transmission for audio output.
- Screen Glare: Adjust the screen's angle or position to minimize glare from sunlight. The high brightness of the IPS screen is designed to reduce this.
- Rear Camera Not Displaying: Check all cable connections, especially the connection to the reverse light's positive terminal. Ensure the camera cable is not damaged.
- Recorded Videos Not Saving: Ensure the 64GB SD card is properly inserted and not full. Format the SD card if necessary.
7. Specifications
| Feature | Detail |
|---|---|
| Screen Size | 10.26 inches |
| Display Type | IPS Touchscreen |
| Resolution | 1600x600 |
| Front Camera | 4K HD Dash Cam |
| Rear Camera | 1080P HD Backup Camera (150-degree view, Night Vision, IP67) |
| Connectivity | Wireless Apple CarPlay, Wireless Android Auto, Bluetooth, Wi-Fi, 3.5mm AUX, FM Transmitter |
| Special Features | G-Sensor, Loop Recording, Parking Monitor, GPS Navigation (via phone), Voice Control (Siri/Google Assistant), AirPlay, Miracast |
| Power Input | 12V-24V (via cigarette lighter) |
| Included Storage | 64GB High-Endurance SD Card |
| Item Weight | 2.48 pounds |
| Package Dimensions | 10.43 x 4.92 x 4.45 inches |
8. Warranty and Support
25HOURS provides a comprehensive 1-year manufacturer's warranty for the HK3 screen. A 30-day no-hassle return policy is also available. For any questions, setup guidance, or technical support, our customer support team is available 24/7.
