1. Introduction
This manual provides comprehensive instructions for the installation, operation, and maintenance of your Black Box B40 A118 Stealth Dash Cam. Please read this manual thoroughly before using the device to ensure proper functionality and safety.
The Black Box B40 Stealth dash camera features a discreet design, allowing for versatile mounting options. It is designed for reliable operation in various temperatures and records in 1080p HD with a 170-degree ultra-wide 6G lens. The 1.5-inch HD LCD screen facilitates easy navigation and playback.
2. Package Contents
- Black Box B40 Dash Camera
- In-car charging cable
- Brackets & Adhesive Mount System
- USB cable
- User Manual (this document)
Note: A Micro SD Card (up to 32GB) is required for operation and is not included. A quality SD card is suggested to reduce incompatibility issues.
3. Product Overview
Familiarize yourself with the components and controls of your dash cam.

Figure 1: Front and rear views of the Black Box B40 A118 Dash Cam with labeled components. Key features include the camera lens, vents, mount bracket, AV-OUT port, USB port, power light, MIC light, REC light, various control buttons (MIC/PG DOWN, REC/PG UP, OK/LOCK, MENU, POWER), and the Micro SD card slot.

Figure 2: Angled view of the Black Box B40 A118 Dash Cam, showing the screen, control buttons on top, and the lens on the side.
4. Setup and Installation
- Insert Micro SD Card: Ensure the dash cam is powered off. Carefully insert a compatible Micro SD card (up to 32GB, not included) into the designated slot until it clicks into place.
- Mounting the Dash Cam:
- Clean the desired area on your windshield thoroughly.
- Attach the adhesive mount to the dash cam.
- Remove the protective backing from the adhesive mount and firmly press the dash cam onto the windshield, ideally near the rearview mirror for a discreet setup.

Figure 3: The Black Box B40 A118 Dash Cam shown with its adhesive mount system, ready for installation on a windshield.
- Connect Power: Connect the in-car charging cable to the dash cam's power port and plug the other end into your vehicle's 12V power outlet. For optimal performance, ensure the cable is routed safely and does not obstruct your view or vehicle controls.
- Adjust Lens Angle: Power on the dash cam. Use the lens adjustment feature to set the camera's viewing angle to capture the road ahead effectively. The 1.5-inch HD LCD screen will assist in positioning.
- Initial Settings: Access the menu to set the date, time, and other preferences. The dash cam supports multi-language options.
5. Operating Instructions
5.1. Automatic Operation
The Black Box B40 A118 Dash Cam features automatic start and stop functionality. It will automatically power on and begin recording when your vehicle starts, and power off shortly after the vehicle is turned off.
5.2. Recording Modes
- Seamless Continuous Recording: The camera records video in continuous loops, typically in 3-minute segments. When the memory card is full, the oldest unlocked footage is automatically overwritten by new recordings.
- G-Sensor Enabled Recording: In the event of a sudden impact or collision, the built-in G-Sensor will detect the event and automatically lock the current video segment, preventing it from being overwritten. This ensures critical footage is preserved.
- Motion Detection: When enabled, the dash cam can detect motion in front of the vehicle and automatically begin recording, even when parked. This feature is useful for monitoring your vehicle while unattended.
5.3. Playback and File Management
Recordings can be played back directly on the 1.5-inch HD LCD screen. Use the navigation buttons (MIC/PG DOWN, REC/PG UP, OK/LOCK, MENU) to browse and select files. For detailed viewing or backup, remove the Micro SD card and insert it into a computer's card reader. Video files are typically in MPEG-4 MOV format, and photos are in JPEG format.
6. Maintenance
- Cleaning: Use a soft, dry cloth to clean the camera lens and screen. Avoid abrasive cleaners or solvents.
- Firmware Updates: Check the manufacturer's website periodically for firmware updates to ensure optimal performance and access to new features.
- SD Card Care: Regularly format your Micro SD card (at least once a month) using the camera's menu option to prevent data corruption and ensure smooth recording. Back up important files before formatting.
- Temperature: The device is designed to operate in temperatures up to 140°F. Avoid prolonged exposure to extreme temperatures outside this range.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Camera does not power on. | No power supply; faulty cable; dead internal battery. | Check car charger connection. Ensure vehicle's 12V outlet is functional. Try a different USB cable. The internal battery lasts 5-10 minutes without a power source. |
| Recording stops unexpectedly. | SD card full; SD card error; power interruption. | Format the SD card. Use a high-quality SD card. Ensure continuous power supply. |
| Poor video quality. | Dirty lens; incorrect settings; low light conditions. | Clean the lens. Check video resolution settings (ensure 1080p is selected if desired). WDR (Wide Dynamic Range) technology helps in varying light. |
| Buttons unresponsive. | Device frozen. | Perform a soft reset by pressing and holding the power button for 10 seconds, or disconnect power and reconnect. |
8. Specifications
- Chipset: Novatek NT96650 Chipset + Aptina AR0330 6G Lens
- Sensor: 3M CMOS Sensor
- Lens: 170-degree Super Wide 6G Angle Lens with Wide Dynamic (WDR) Technology
- Screen: 1.5-inch HD LCD screen
- Video Resolution: 1920x1080P HD at 30fps, 1280x720 at 60fps
- Video Compression: Advanced H.264 video compression technology
- Photo: 5.0 mega pixels JPEG file format
- Memory: Supports up to 32GB Micro SD card (not included)
- Video Output: MPEG-4 MOV - HD AV/USB, AV IN/OUT, AV (SVBS) HD Composite
- Audio: Built-in Microphone/Speaker (AAC)
- Motion Detection: Yes
- Shutter: Electronic Super Wide 6G Shutter
- Battery: 3.7V 300mAh (lasts 5-10 mins without power source)
- Ports: USB, AV IN/OUT, and Micro SD card slot
- Item Weight: 2.08 ounces
- Product Dimensions: 3 x 2 x 2 inches
9. Warranty and Support
Information regarding product warranty and customer support was not provided in the available product data. Please refer to the product packaging or the manufacturer's official website for details on warranty coverage and how to contact customer support.





