Introduction
The YI 2K Dome Security Camera offers advanced surveillance features for indoor environments. With its 2K HD video quality, smart AI detection, two-way audio, and enhanced night vision, it provides comprehensive monitoring for your home or pets. This manual will guide you through the setup, operation, and maintenance of your new security camera.

Image: Two YI 2K Dome Security Cameras, showcasing their compact, white dome design.
What's in the Box
- 2 Dome Cameras
- USB Cables
- Adapters
Setup
1. Powering On
Connect the provided USB cable to the camera's power port and plug the adapter into a standard electrical outlet. The camera will power on automatically.
2. App Download and Account Creation
Download the 'YI Home' app from your device's app store (Google Play Store or Apple App Store). Create a new account or log in if you already have one. The app is essential for controlling and monitoring your camera.
3. Connecting to Wi-Fi
Follow the in-app instructions to add your new camera. This typically involves scanning a QR code displayed on your phone screen with the camera's lens to establish a Wi-Fi connection. Ensure your Wi-Fi network is 2.4G for compatibility.
4. Placement and Mounting
The YI 2K Dome Security Camera can be placed on any flat surface or mounted on a wall. For wall mounting, use the included screws and adapters. The camera's dome form factor allows for flexible placement to cover desired areas.

Image: YI 2K Dome Security Camera highlighting its basic features: Motion detection, Two-way audio, Motion tracking, 360° Monitoring, 2K Image, App alerts, Night vision, and SD card & Cloud Storage.
Video: Official YI Technology video demonstrating the YI 2K DOME Guard security camera's features and setup process.
Operating the Camera
1. 2K HD Video & Image Quality
Experience clear and detailed visuals with 2K resolution (up to 2304 x 1296 pixels). This enhanced clarity allows you to see events inside your home with greater precision.

Image: Visual comparison demonstrating the superior clarity of 2K image quality over 1080p.
2. Smart AI Detection & Real-Time Alerts
The camera features advanced AI detection capabilities that can distinguish between persons, vehicles, animals, and abnormal sounds. This significantly reduces false alarms. Real-time motion-triggered alerts are sent directly to your phone (subscription may be needed for full features).

Image: The camera's automatic motion tracking feature, showing a cat being detected and followed.

Image: A smartphone displaying real-time alerts for motion detection from the YI Home app.
3. Follow the Action & Two-Way Audio
When motion is detected, the camera automatically tracks and follows the moving object. The built-in microphone and speaker enable two-way audio communication, allowing you to hear sounds from the scene and speak with individuals on the camera side.
4. Enhanced Night Vision
Equipped with 850-nm infrared lights, a high-sensitivity image sensor, and an F1.9 large aperture lens, the YI 2K home camera captures detailed images even in low-light conditions, providing clear night vision up to 10 meters.

Image: A clear image captured by the camera's enhanced night vision feature, showing a child sleeping in a dark room.
5. 360° Monitoring
The dome design allows for 355° horizontal and 84° vertical rotation, providing a full 360° panoramic view of your space. This eliminates blind spots and ensures comprehensive coverage.

Image: The camera's 360° monitoring feature, illustrating its wide rotational range.
6. Home and Away Modes
Customize notification settings based on whether you are home or away. This allows you to receive relevant alerts without being overwhelmed by notifications when you are present.

Image: The YI Home app interface showing customizable 'Home' and 'Away' modes for notification management.
Maintenance
1. Cleaning
Gently wipe the camera lens and body with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials that could damage the device.
2. Dual Storage Options
Store your data and recordings locally with an extra microSD card (max. 64GB, not included) or securely in the cloud. YI Cloud offers loop-recording with no storage limit, ensuring your footage is safe even if the camera is stolen or damaged.

Image: The camera highlighting its dual storage options: local microSD card and cloud storage.
Troubleshooting
- Connectivity Issues: Ensure your Wi-Fi network is stable and within range. The camera supports 2.4G Wi-Fi.
- Power Issues: Verify that the power adapter is securely plugged into both the camera and the electrical outlet.
- Image Quality: Check for any obstructions on the camera lens. Ensure adequate lighting for optimal image clarity, especially during the day.
- Motion Detection: Adjust sensitivity settings within the YI Home app to optimize motion detection and reduce false alarms.
- SD Card Not Recording: Ensure the microSD card is correctly inserted and formatted within the app. Check that the card is not full or corrupted.
- App Functionality: If experiencing issues with the app, try restarting the app, clearing its cache, or reinstalling it. Ensure your app is updated to the latest version.
For more detailed troubleshooting or specific error codes, please refer to the comprehensive help section within the YI Home app or visit the official YI Technology support website.
Specifications
| Feature | Detail |
|---|---|
| Video Capture Resolution | 2K (2304 x 1296 pixels) |
| Connectivity Technology | Wi-Fi (2.4G) |
| Special Features | Local Recording, Night Vision, 2-Way Audio, Motion Detection, AI Detection |
| Indoor/Outdoor Usage | Indoor |
| Power Source | Corded Electric |
| Compatible Devices | Google Assistant, Alexa |
| Mounting Type | Wall Mount |
| Night Vision Range | 10 Meters |
| Flash Memory Supported Size Maximum | 64 GB (Micro SD) |
| Product Dimensions | 3 x 3 x 6 inches |
| Item Weight | 7.4 ounces |
Warranty & Support
For warranty information, technical support, or further assistance, please refer to the official YI Technology website or contact their customer service directly. Details regarding product registration and warranty claims can typically be found on the manufacturer's support pages.