Introduction
Thank you for choosing the Weochi HDV900 4K Camcorder. This manual provides detailed instructions for setting up, operating, and maintaining your camcorder to ensure optimal performance. Please read this manual thoroughly before using the device and keep it for future reference.
What's in the Box
Upon opening your Weochi HDV900 package, you should find the following items:
- Weochi HDV900 4K Camcorder
- External Microphone
- Wireless Lavalier Microphone
- Remote Control
- 2 x Rechargeable Batteries
- USB Cable
- 32GB SD Card
- Carrying Bag
- User Manual (this document)

Image: All accessories included with the Weochi HDV900 4K Camcorder.
Product Overview
The Weochi HDV900 camcorder is designed for ease of use and high-quality video recording. Familiarize yourself with its main components:
- Lens: Captures video and photo.
- 3.0-inch 270° Rotatable HD IPS Screen: For viewing and navigating menus.
- Control Buttons: Menu, navigation, record, photo, zoom.
- Built-in Microphone: For audio capture.
- Built-in Fill Light: Provides illumination in low-light conditions.
- Hot Shoe: For attaching external accessories like microphones.
- Battery Compartment: Houses the rechargeable battery.
- SD Card Slot: For memory card insertion.
- USB Port: For charging and data transfer.
- HDMI Port: For connecting to a TV or monitor.
- Microphone Input Jack: For external microphones.

Image: Weochi HDV900 Camcorder with key features.
Setup
1. Battery Installation
- Open the battery compartment cover located on the bottom of the camcorder.
- Insert the rechargeable battery, ensuring the correct polarity.
- Close the battery compartment cover securely.
- Charge the battery fully before first use using the provided USB cable and a compatible power adapter.
2. SD Card Installation
- Locate the SD card slot, typically under a protective cover.
- Insert the 32GB SD card (or another compatible SD card, up to 128GB, Class 10 or higher recommended) into the slot until it clicks into place.
- To remove, gently press the card until it pops out.
3. Microphone Connection
The camcorder supports both an external shotgun microphone and a wireless lavalier microphone for enhanced audio quality.
- External Shotgun Microphone:
- Slide the external microphone onto the hot shoe mount on top of the camcorder.
- Connect the microphone's 3.5mm jack into the microphone input port on the camcorder.
- Wireless Lavalier Microphone:
- Plug the receiver of the wireless lavalier microphone into the camcorder's microphone input port.
- Clip the lavalier microphone to your clothing for clear voice capture.
- Ensure both the transmitter and receiver are powered on and paired.

Image: Connecting the wireless lavalier microphone.
4. Powering On/Off
To power on the camcorder, simply open the LCD screen. To power off, close the LCD screen. Alternatively, use the power button if available.
Basic Operation
1. Recording Video
- Ensure the camcorder is in video recording mode (check the mode indicator on the screen).
- Press the Record button to start recording. A red indicator light or on-screen icon will confirm recording is in progress.
- Press the Record button again to stop recording.
2. Taking Photos
- Switch the camcorder to photo mode if necessary.
- Frame your shot using the LCD screen.
- Press the Photo button to capture an image.

Image: Demonstrating 4K video and 48MP photo capabilities with digital zoom.
3. Zoom Function
Use the zoom rocker switch, typically located near the lens or on the top of the camcorder, to zoom in (T) or zoom out (W). The camcorder features 18x digital zoom.
4. Screen Rotation
The 3.0-inch HD IPS screen can rotate 270 degrees, allowing for various shooting angles, including self-recording (vlogging mode).
5. Using the Remote Control
The included remote control allows you to operate the camcorder from a distance, useful for self-recording or group shots. Point the remote at the camcorder's IR receiver to control functions like record start/stop, zoom, and mode selection.
Advanced Features
1. Webcam Function
- Connect the camcorder to your computer using the USB cable.
- On the camcorder screen, select "Webcam" mode.
- Your computer should recognize the camcorder as a webcam, allowing its use for live streaming or video calls on compatible platforms.
2. HDMI Output
Connect the camcorder to a TV or monitor using an HDMI cable (not included) to view your recorded videos and photos on a larger screen.

Image: Webcam and HDMI output functionalities.
3. Time-Lapse Recording
Access the menu to select the time-lapse function. This feature allows you to capture a series of images over an extended period and combine them into a sped-up video, ideal for capturing slow processes like plant growth or sunsets.
4. Slow Motion Recording
Enable slow motion mode through the camcorder's menu to record videos that play back at a reduced speed, highlighting fast-paced actions.
5. Pause Function
During video recording, press the Photo button to pause recording without creating a new file. Press it again to resume. This simplifies editing by keeping related footage in a single file.

Image: Time-Lapse, Slow Motion, and Pause Function demonstrations.
6. Motion Detection
Activate motion detection in the settings. The camcorder will automatically start recording when movement is detected within its field of view.
7. Built-in Fill Light
The integrated 3W fill light can be activated to provide additional illumination for clear photos and videos in dimly lit environments.

Image: Additional features like Anti-shake, Face Detection, and Self-Timer.
Maintenance
1. Battery Charging
Use the provided USB cable to charge the batteries. Connect the camcorder to a USB power source (e.g., computer, wall adapter). The charging indicator will show the charging status. It is recommended to fully charge batteries before each use for optimal performance.
2. Cleaning
- Use a soft, dry cloth to clean the camcorder body.
- For the lens, use a specialized lens cleaning cloth and solution to avoid scratches.
- Do not use harsh chemicals or abrasive materials.
3. Storage
Store the camcorder in a cool, dry place away from direct sunlight and extreme temperatures. Remove batteries if storing for extended periods to prevent leakage.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Camcorder does not power on. | Battery is dead or incorrectly installed. | Ensure battery is charged and correctly inserted. |
| Cannot record video/take photos. | SD card is full, locked, or not inserted. | Check SD card status, format if necessary, or replace. |
| Poor audio quality. | Microphone not connected properly or external mic not selected. | Ensure microphones are securely connected and selected in settings. Check battery for wireless mic. |
| Remote control not working. | Line of sight blocked, remote battery dead, or IR receiver obstructed. | Ensure clear path to camcorder, replace remote battery, or clean IR receiver. |
For further assistance, please refer to the contact information in the Warranty and Support section.
Specifications
- Video Resolution: 4K/60fps (3840*2160)
- Photo Resolution: 48MP
- Image Sensor: Upgraded CMOS
- Screen: 3.0-inch 270° Rotatable HD IPS Screen
- Digital Zoom: 18x
- Special Features: Remote Control, Slow Motion, Motion Detection, Time-Lapse, Pause Function, Live Streaming, TV Output, Webcam Function, Built-in Fill Light, Anti-shake, Face Detection, Self-Timer, Continuous Shooting, Beauty Face
- Microphones: External Shotgun Microphone, Wireless Lavalier Microphone
- Connectivity: USB, HDMI
- Storage: SD Card (up to 128GB, Class 10 recommended)
- Batteries: 2 x AAAA type (included)
- Item Weight: Approximately 1.1 pounds
- Model Number: HDV900
Warranty and Support
For warranty information or technical support, please contact the seller directly through your Amazon order page. You may also refer to the official Weochi store for additional resources and contact details: Weochi Store on Amazon.
Common issues and solutions are often available in the product's Q&A section or by contacting the seller for a PDF manual or personalized guidance.
Product Video Overview
Watch this video for a visual overview of the Weochi HDV900 4K Camcorder and its accessories.
Video: Unboxing and feature demonstration of the Weochi HDV900 4K Camcorder and its included accessories, including the external and wireless microphones, remote, and batteries.