1. Product Overview
The ZIYOUHU DV99 is a multifunctional head-mounted night vision device designed for various outdoor activities including hunting, reconnaissance, monitoring, camping, security, and navigation. It integrates high-definition photography, video recording, night vision observation, and distance measurement capabilities.
Video: Overview of the DV99 Night Vision Device's features and applications.
Key Features:
- Micro light full-color and dual-use day/night functionality.
- High-capacity 10000mAh built-in lithium battery.
- Seven-level adjustable 850nm infrared lights for observation distances of 0.3 to 800 meters in complete darkness.
- 4-inch HD display screen (640x1136 resolution).
- High-definition photography (up to 48M, 8000x6000) and 4K video recording (3840x2160).
- 16x digital zoom.
- WiFi screen sharing and remote control via mobile app.
- Accurate distance measurement (range: 5-300 meters).
- Integrated compass and atmospheric pressure monitoring.
- Specialized tactical light for night lighting and emergency signaling.
- Supports TF card up to 512GB for extended storage.
2. Setup Guide
2.1. Charging the Device
The DV99 is equipped with a built-in 10000mAh rechargeable lithium battery. To charge the device, connect it to a power source using the Type-C interface. The indicator light will show charging status.
Image: Internal components and external ports including the Type-C charging interface.
2.2. Inserting a TF Card
Locate the TF card slot on the device. Insert a TF card (maximum support 512GB) into the slot until it clicks into place. This card is essential for storing photos and videos.
2.3. Initial Power On
Press and hold the power button (usually marked with a power icon) until the display screen illuminates. The device will boot up and display the main interface.
2.4. Connecting to Wi-Fi (for App Control)
To enable remote control and file transfer, download the official 'Goplus Cam' app on your smartphone. Turn on Wi-Fi on the DV99 device and connect your phone to the device's Wi-Fi network. Once connected, you can use the app to view the live feed, control functions, and transfer media.
Image: Wi-Fi connection for real-time sharing and app control.
3. Operating Instructions
3.1. Power On/Off
- Power On: Press and hold the power button until the screen turns on.
- Power Off: Press and hold the power button until the screen turns off.
- Automatic Shutdown: The device supports automatic shutdown after 1 minute or 3 minutes of inactivity. This can typically be configured in the settings menu.
3.2. Day and Night Mode Selection
The DV99 supports both daytime full-color imaging and nighttime infrared black and white display. The device automatically adjusts or can be manually switched between modes. In low light conditions, the infrared mode will activate for enhanced visibility.
Image: Daytime color imaging vs. Night infrared black and white display.
3.3. Zoom Function
The device features 16x digital zoom. Use the designated zoom buttons (often marked with '+' and '-' or 'Zoom in/IR+' and 'Shrink/IR-') to adjust the magnification. A short press typically changes the zoom by one step, while a long press may continuously zoom.
Image: Visual representation of 16x HD Digital Zoom.
3.4. Infrared Adjustment
The DV99 is equipped with 7-level adjustable 850nm infrared lights. Adjust the infrared intensity from level 1 to 7 based on ambient light conditions. Higher levels provide brighter illumination in darker environments.
Image: Display of effects at all 7 infrared levels.
3.5. Photography and Videography
The device supports taking photos and recording videos with superb imaging ability. Photos can be captured at resolutions up to 48M (8000x6000) and videos at 4K (3840x2160) or FHD (1920x1080). Files are automatically saved to the inserted TF card.
- Take a Photo: Short press the camera mode button to switch to camera mode, then short press again to take a photo.
- Video Recording: Short press the video recording button to start recording. Short press again to stop recording.
3.6. Remote Control Functions
The included remote control allows for convenient operation of key functions without directly touching the device.
Image: Remote control buttons and their functions.
- Zoom in/IR+: Short press to turn on infrared, short press again to increase infrared by 1 gear. Long press digital zoom to enlarge, long press once to enlarge one gear.
- Shrink/IR-: Short press to lower one infrared gear, and turn off infrared by lowering to 0 gear. Long press the digital zoom to zoom out, long press once to zoom out one gear.
- Take a photo: Short press to switch to camera mode, short press once again in camera mode to take a photo.
- Video recording: Short press to open the box and record in recording mode, and short press again to close the recording during recording.
3.7. Distance Measurement
The device can perform long-distance precise distance measurements within a range of 5-300 meters. This feature is useful for various daily and professional scenarios.
Image: Example of long-distance precise measurement.
3.8. Compass and Atmospheric Pressure
The DV99 includes a directional sensor (compass) to help users easily find direction in the wilderness, and also monitors real-time altitude and atmospheric pressure.
Image: Compass and atmospheric pressure display.
3.9. Tactical Light
A specialized tactical light is integrated into the device to meet night lighting and various tactical requirements. In emergency situations, activating the tactical light can emit rescue signals.
Image: Specialized Tactical Light in use.
4. Maintenance
4.1. Cleaning
- Use a soft, lint-free cloth to gently wipe the lenses and display screen.
- For stubborn smudges, use a lens cleaning solution specifically designed for optics.
- Avoid using abrasive materials or harsh chemicals that could damage the surfaces.
- Keep the device free from dust and debris.
4.2. Storage
- Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- If storing for an extended period, ensure the battery is partially charged (around 50%) to prolong its lifespan.
- Remove the TF card if not in use for long periods.
4.3. Battery Care
- Avoid fully discharging the battery frequently.
- Charge the battery regularly, even if the device is not in frequent use.
- Do not expose the device to temperatures outside the recommended operating and storage ranges.
5. Troubleshooting
If you encounter issues with your ZIYOUHU DV99, please refer to the following common troubleshooting steps:
- Device not powering on: Ensure the battery is sufficiently charged. Connect the device to a charger and try again.
- Poor image quality: Check if the lenses are clean. Adjust the focus and infrared levels according to ambient light conditions.
- Wi-Fi connectivity issues: Ensure the 'Goplus Cam' app is installed and updated. Restart both the device and your smartphone, then attempt to reconnect.
- Storage issues (cannot save photos/videos): Verify that a TF card is properly inserted and has sufficient free space. The card may need to be formatted (refer to device settings for formatting options).
- Remote control not responding: Check the remote control's battery. Ensure there are no obstructions between the remote and the device.
If problems persist, please contact customer support for further assistance.
6. Specifications
Image: Detailed Product Parameters.
| Feature | Specification |
|---|---|
| Model Number | DV99 |
| Brand Name | ZIYOUHU |
| Type | Monocular |
| Magnification | 16X |
| Prism Description | BAK4 |
| Lens Coating Description | FMC |
| Focus Type | CENTRAL |
| Material | Metal |
| Water Resistance Level | IPX4 |
| Origin | Mainland China |
| Video Resolution | 4K (3840x2160P), FHD (1920x1080) |
| Photo Resolution | 48M (8000x6000), 36M (7936x4480), 24M (5600x4200), 12M (4032x3024), 5M (2592x1944), 2M (1920x1080) |
| Display Screen | Built-in 4-inch high-definition display screen (640x1136) |
| Infrared Light | 5W, 850nm strong infrared spotlight, 7-speed infrared adjustment |
| Lens | F1.2 large aperture, f=25mm, FOV 10° |
| Observation Distance | 0.3-800 meters (all black observation distance), 1 meter - infinity (weak light distance) |
| Battery | Built-in 10000mAh rechargeable lithium battery |
| Environmental Temperature | Operating temperature: -5°C to +50°C |
| Storage Temperature | Storage temperature: -5°C to +50°C |
| Size | Approx. 165mm x 152mm x 75mm |
7. User Tips
No specific user tips were available from reviews or Q&A content. However, general tips for night vision devices include:
- Always ensure the device is fully charged before extended use, especially in remote areas.
- Practice using the digital zoom and infrared adjustment in varying light conditions to get the best performance.
- Regularly check the TF card for available space and transfer important media to another device to prevent data loss.
- Familiarize yourself with the remote control functions for quick adjustments in the field.
8. Warranty and Support
8.1. Warranty Information
This product comes with a 1-year warranty from the date of purchase. The warranty covers manufacturing defects and malfunctions under normal use. It does not cover damage caused by improper use, accidents, unauthorized modifications, or natural disasters.
8.2. Customer Support
For any questions, technical assistance, or warranty claims, please contact the seller or manufacturer's customer service. Provide your product model (DV99) and purchase details when seeking support.
Image: Warranty Service Overview.
