Introduction
Thank you for purchasing the UYIKOO Mini Spy Camera Keychain. This compact and versatile device is designed for discreet surveillance, offering 1080P HD video recording, photo capture, audio recording, motion detection, and night vision capabilities. Its user-friendly design requires no application for operation, making it simple to use. Please read this manual carefully to ensure proper operation and to maximize the performance of your device.
Product Overview and Key Features

Image: The UYIKOO Mini Spy Camera designed as a car key fob, showing its compact and discreet form factor.

Image: A graphic highlighting the main features of the camera, including 1080P HD, photo capture, video recording, built-in battery, motion detection, and night vision, noting no Wi-Fi or phone view.
- 1080P HD Resolution: Records clear videos at 1920*1080P in AVI format and captures 12MP images.
- Easy to Use: No application download required, simple operation.
- Audio Recording: Functions as a mini audio recorder for conferences or negotiations.
- Motion Detection: Automatically starts recording when motion is detected in its area.
- Night Vision: Equipped with infrared light for recording in darkness, with a range of approximately 2 meters.
- Loop Recording: Overwrites older files when the Micro SD card is full.
- Storage: Supports Micro SD cards up to 32GB (card not included).
- Portable Design: Discreet keychain form factor for easy carrying.
Package Contents

Image: The product package contents, including the keychain camera, a USB adapter, a USB charging cable, and a user manual.
Please check the package contents upon unboxing. The standard package should include:
- UYIKOO Mini Spy Camera Keychain (Model CK-4)
- USB Charging Cable
- USB Adapter
- User Manual
Note: A Micro SD card is not included and must be purchased separately.
Parts Identification

Image: A diagram illustrating the different parts of the UYIKOO Mini Spy Camera, including the ON/OFF button, Mode button, Camera Lens, Infrared Lights, Night Vision button, USB Port, Light Indicators, and Micro SD Card Slot.
- ON/OFF Button: Powers the device on or off.
- Mode Button: Switches between different recording modes (video, photo, audio).
- Camera Lens: The primary lens for video and photo capture.
- Infrared Lights: Used for night vision recording.
- Night Vision Button: Activates or deactivates night vision.
- USB Port: For charging and connecting to a computer.
- Light Indicators: Display the device's status (e.g., charging, recording mode).
- Micro SD Card Slot: Insert your Micro SD card here.
Setup Guide
1. Inserting the Micro SD Card
Before using the camera, you must insert a Micro SD card (up to 32GB, Class 10 or higher recommended). Ensure the camera is turned off before inserting or removing the card.
- Locate the Micro SD card slot on the side of the device.
- Gently push the Micro SD card into the slot until it clicks into place.
- To remove, gently push the card again until it pops out.
2. Initial Charging
For first-time use, fully charge the device. Connect the camera to a USB power source (computer USB port, wall charger, or power bank) using the provided USB cable.

Image: The keychain camera connected via USB cable to a laptop for charging, illustrating various charging methods like computer, wall charger, and power bank.
The indicator light will show the charging status. A full charge typically takes about 2 hours and provides approximately 120 minutes of continuous recording.
Operating Instructions
Power On/Off
- Power On: Press and hold the ON/OFF Button for a few seconds until the indicator light turns on.
- Power Off: Press and hold the ON/OFF Button again for a few seconds until the indicator light turns off.
Video Recording (1080P HD)
To record high-definition video:
- Ensure the camera is powered on.
- Press the Mode Button to select video recording mode (refer to indicator light for confirmation).
- Press the ON/OFF Button once to start recording. The indicator light will flash during recording.
- Press the ON/OFF Button again to stop recording. The video file will be saved automatically.

Image: A family watching a video on a tablet, demonstrating the 1080P HD video capability of the camera, with an overlay showing video and image file types (AVI and JPG).
Photo Taking
To capture still images:
- Ensure the camera is powered on.
- Press the Mode Button to select photo mode.
- Press the ON/OFF Button once to take a photo. The indicator light will flash briefly.
Audio Recording
The device can also function as a standalone audio recorder:
- Ensure the camera is powered on.
- Press the Mode Button to select audio recording mode.
- Press the ON/OFF Button once to start audio recording.
- Press the ON/OFF Button again to stop recording.

Image: The keychain camera positioned in a meeting room setting, with a microphone icon and sound waves, illustrating its function as a mini voice recorder for audio-only recording.
Motion Detection Recording
To enable motion-activated recording:
- Ensure the camera is powered on.
- Press the Mode Button until the motion detection mode is selected (check indicator light).
- The camera will now automatically start recording when motion is detected and save the file. It will stop recording after a period of no motion and enter standby.

Image: A person in a dark room with a flashlight, illustrating the motion detection feature and infrared night vision capability of the camera, with a red cone indicating the detection area.
Night Vision
To record in low-light or dark conditions:
- While in any recording mode, press the Night Vision Button to activate the infrared lights.
- Press the button again to deactivate night vision.
Loop Recording
The camera supports loop recording. When the Micro SD card is full, the newest video files will automatically overwrite the oldest files, ensuring continuous recording without manual deletion.
Connecting to Computer (Viewing Files)
To view recorded videos and photos:
- Ensure the camera is turned off.
- Connect the camera to your computer using the provided USB cable.
- The camera will be recognized as a removable disk.
- Open the disk to access the recorded video (AVI) and photo (JPG) files. You can copy, move, or delete files as needed.

Image: The keychain camera connected to a laptop via a USB cable and adapter, showing the laptop screen displaying media files, indicating the process of viewing recorded content.
Maintenance
- Keep the device dry. Do not expose it to moisture or liquids.
- Avoid extreme temperatures.
- Clean the lens gently with a soft, lint-free cloth.
- Do not attempt to disassemble or repair the device yourself. This will void the warranty.
- Store the device in a safe place when not in use.
Troubleshooting
Problem | Possible Cause | Solution |
---|---|---|
Device does not power on. | Low battery. | Charge the device fully. |
Cannot record video/photo. | No Micro SD card inserted or card is full/corrupted. | Insert a Micro SD card. Format or replace the card if full/corrupted. |
Video quality is poor. | Insufficient lighting; dirty lens. | Ensure adequate lighting or activate night vision. Clean the camera lens. |
Computer does not recognize the device. | Faulty USB cable/port; device not powered off before connecting. | Try a different USB cable or port. Ensure the camera is off before connecting. |
Specifications
Feature | Detail |
---|---|
Model Number | CK-4 |
Video Recording Resolution | 1080p (1920x1080) |
Video Format | AVI |
Image Resolution | 12MP |
Image Format | JPG |
Night Vision Range | Approx. 2 meters (6.5 feet) |
Storage | Micro SD card, up to 32GB (not included) |
Battery Type | Lithium-polymer |
Battery Life (Video Recording) | Approx. 120 minutes |
Charging Time | Approx. 2 hours |
Dimensions (L x W x H) | 6 x 3 x 1 cm (2.36 x 1.18 x 0.39 inches) |
Weight | 160 grams (0.35 lbs) |
Material | Metal |
Connectivity | Wired (USB) |
Special Features | Motion Detector, Portable, Night Vision |
Warranty and Support
Specific warranty information for the UYIKOO Mini Spy Camera Keychain (Model CK-4) is not provided in the product details. Please refer to the retailer's return policy or contact UYIKOO customer support for detailed warranty terms and conditions.
For technical support or inquiries, please contact the seller or manufacturer through the platform where you purchased the product.