1. Introduction
Thank you for purchasing the CLOKOWE YG661 1080P HD Projector. This manual provides detailed instructions for setting up, operating, and maintaining your projector to ensure optimal performance and longevity. Please read this manual thoroughly before using the product.
Key Features:
- Native 1080P Full HD Resolution: Experience clear and vibrant images with native 1920x1080P resolution and a 10000:1 dynamic contrast ratio.
- High Brightness: Delivers over 95%+ brightness compared to other 1080p projectors, suitable for both home theater and outdoor use.
- Wireless Connectivity: Supports 2.4G/5G WiFi for seamless screen mirroring from iOS and Android devices.
- Bluetooth 5.1 & Dolby Audio: Connect wirelessly to external speakers or Bluetooth earphones with enhanced Dolby audio support.
- Versatile Connectivity: Equipped with HDMI, AV, SD, and USB ports for compatibility with a wide range of devices including TV Box, Fire Stick TV, Chromecast, PC, laptops, tablets, gaming consoles (PS3, PS4, Xbox), DVD players, and smartphones.
- Adjustable Projection: Features zoom function (75% to 100%) and keystone correction for flexible screen adjustment.
- Integrated Audio: Built-in 3W dual stereo speakers with SRS sound system provide a complete audio experience.
- Efficient Cooling: Advanced cooling system ensures fast heat dissipation and low operational noise.

Image: The CLOKOWE YG661 Projector, highlighting its key features including a 100-inch screen, 4K resolution support, dual-band WiFi, and Bluetooth 5.1.
2. Package Contents
Please check the package contents upon unboxing to ensure all items are present:
- 1 x CLOKOWE YG661 Projector
- 1 x Lens Cover
- 1 x Remote Control
- 1 x Power Supply
- 1 x HDMI Cable
- 1 x AV Cable
- 1 x User Manual (this document)
3. Product Overview
3.1. Projector Components

Image: Rear panel of the CLOKOWE YG661 Projector, illustrating the multimedia connection ports.
The CLOKOWE YG661 projector features a user-friendly design with clearly labeled ports and controls. Key components include:
- Lens: Front-facing projection lens.
- Focus Ring: Located near the lens for adjusting image clarity.
- Keystone Correction Dial: Located on the top/rear for adjusting image shape.
- Control Panel: Buttons on top for basic navigation and power.
- Input Ports (Rear):
- AV Port
- HDMI Port
- USB Ports (x2)
- SD Card Slot
- Audio Out (3.5mm headphone jack)
- Power Input
4. Setup
4.1. Placement
Choose a flat, stable surface for the projector. For optimal viewing, position the projector directly in front of your projection screen or a smooth, light-colored wall. Ensure there are no obstructions blocking the projection path or the projector's ventilation vents.

Image: Projection size and distance guide, illustrating how to achieve different screen sizes from 45 to 300 inches based on projector distance from the wall.
The recommended projection distance ranges from 4.3 feet for a 45-inch screen up to 28 feet for a 300-inch screen. Adjust the distance to achieve your desired screen size.
4.2. Power Connection
- Connect the power cable to the projector's power input port.
- Plug the other end of the power cable into a standard electrical outlet.
- Press the power button on the projector or remote control to turn it on. The indicator light will illuminate.
4.3. Initial Image Adjustment
- Focus: Rotate the focus ring on the projector lens until the projected image appears sharp and clear.
- Keystone Correction: If the image appears trapezoidal (wider at the top or bottom), adjust the keystone correction dial on the top/rear of the projector until the image is rectangular.
- Zoom Function: Use the zoom function via the remote control to adjust the screen size from 75% to 100% without moving the projector.
5. Operating Instructions
5.1. Connecting Devices
The CLOKOWE YG661 projector offers multiple ways to connect your devices:
5.1.1. Wireless Screen Mirroring (WiFi)
This projector supports 2.4G and 5G WiFi for mirroring content from iOS and Android devices.

Image: Illustration of the projector's wireless screen mirroring capabilities with various operating systems.
- Ensure your projector and mobile device are connected to the same WiFi network.
- On the projector's main menu, select "Screen Mirroring" or "Wireless Display".
- For iOS devices: Open Control Center, tap "Screen Mirroring" or "AirPlay Mirroring", and select the projector's name (e.g., "YG661-XXXXXX").
- For Android devices: Go to your device's settings, find "Wireless Display", "Cast", "Smart View", or similar, and select the projector's name.
Note: Some streaming services (e.g., Netflix, Hulu, Amazon Prime Video) may block screen mirroring due to copyright protection. For these services, it is recommended to use a TV Stick (like Fire TV Stick) connected via HDMI.
5.1.2. Bluetooth Connection (Audio)
Connect external Bluetooth speakers or headphones for enhanced audio experience.

Image: The projector's Bluetooth connectivity, showing connections to headphones, earbuds, and external speakers.
- Turn on your Bluetooth audio device and set it to pairing mode.
- On the projector, navigate to the Bluetooth settings menu.
- Select your Bluetooth device from the list of available devices to pair.
The projector also features built-in 3W dual stereo speakers with SRS sound system for direct audio output.
5.1.3. Wired Connections (HDMI, USB, AV)
Connect various devices using the available wired ports:
- HDMI: Connect TV boxes, Fire Sticks, Chromecast, PCs, laptops, gaming consoles (PS4, Xbox), and other HDMI-enabled devices. Select the corresponding HDMI input source on the projector.
- USB: Insert a USB stick to play media files (photos, videos, music). Select "USB" as the input source and browse your files.
- AV: Use the provided AV cable to connect older devices like DVD players. Select "AV" as the input source.
- SD Card: Insert an SD card to play media files. Select "SD" as the input source.

Image: A comprehensive diagram illustrating how to connect various multimedia devices such as Roku Stick, Fire TV, Chromecast, Xbox, PS4, laptops, PCs, USB disks, DVD players, external speakers, mobile phones, and iPads to the projector.
Video: An official product video demonstrating the features and connectivity options of the CLOKOWE YG661 1080P HD Projector, including Bluetooth audio and wireless screen mirroring.
6. Maintenance
6.1. Cleaning the Lens
Use a soft, lint-free cloth specifically designed for optical lenses. Do not use abrasive cleaners or cloths, as they can scratch the lens. Gently wipe the lens in a circular motion to remove dust or smudges.
6.2. Cleaning the Projector Body
Wipe the projector's exterior with a soft, dry cloth. For stubborn dirt, dampen the cloth slightly with water and then wipe dry immediately. Avoid using chemical cleaners.
6.3. Ventilation
Ensure the projector's ventilation vents are clear of dust and obstructions to prevent overheating. Periodically use a can of compressed air to gently clear dust from the vents.
6.4. Storage
When not in use for extended periods, store the projector in a cool, dry place, away from direct sunlight and extreme temperatures. Use the lens cover to protect the lens from dust and scratches.
7. Troubleshooting
This section addresses common issues you might encounter with your CLOKOWE YG661 projector. If the problem persists, please contact customer support.
| Problem | Possible Cause | Solution |
|---|---|---|
| No image projected / Power indicator off | Power cable not connected; Projector not turned on. | Ensure power cable is securely connected and press the power button. |
| Image blurry | Focus not adjusted; Projector too far/close to screen. | Adjust the focus ring; Adjust projection distance. |
| Image trapezoidal | Keystone not adjusted; Projector not perpendicular to screen. | Adjust the keystone correction dial. Ensure projector is placed straight. |
| No sound | Volume too low; External audio device not connected/paired; Muted. | Increase volume; Check Bluetooth connection or 3.5mm audio cable; Unmute projector. |
| No signal from input source | Incorrect input source selected; Cable not connected properly. | Select the correct input source (HDMI, USB, AV); Reconnect the cable securely. |
| Wireless mirroring issues | Not on same WiFi network; App blocking mirroring; Weak signal. | Connect both devices to the same WiFi; Use HDMI for blocked content; Move closer to WiFi router. |
| Projector overheating / Fan noise | Vents blocked; Prolonged use. | Ensure vents are clear; Allow projector to cool down. |
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | YG661 |
| Native Resolution | 1920 x 1080P Full HD |
| Contrast Ratio | 10000:1 |
| Brightness | 10000 Lumens (manufacturer specified) |
| Projection Size | 45-300 inches |
| Projection Distance | 4.3 - 28 feet |
| Wireless Connectivity | 2.4G/5G WiFi |
| Bluetooth | Bluetooth 5.1 |
| Audio | Built-in 3W Dual Stereo Speakers with SRS Sound System, Dolby Audio Support |
| Input Ports | HDMI, AV, SD, USB (x2) |
| Product Dimensions | 10 x 7.5 x 5 inches |
| Item Weight | 3.3 pounds |
9. Warranty & Support
CLOKOWE is committed to providing high-quality products and excellent customer service. Your CLOKOWE YG661 Projector comes with the following support:
- 6-Month Return Policy: For any issues within the first 6 months of purchase.
- 3-Year Repair Service: Comprehensive repair service for up to 3 years from the date of purchase.
- Lifetime Professional Customer Service & Technical Support: Our dedicated support team is available 24/7/365 to assist you with any questions or concerns.
For assistance, please refer to the contact information provided on the product packaging or the official CLOKOWE website. Please have your model number (YG661) and purchase details ready when contacting support.


