Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your Atfoyer 2K Window Camera, model ATUSW3CR. Please read this manual thoroughly before using the product to ensure proper function and safety.
What's in the Box
Verify that all components are present in the package:
- Window Security Camera
- Instruction Manual (this document)
- Charging Cable
- Power Adapter

Image: The Atfoyer 2K Window Camera with its charging cable and power adapter.
Product Features
The Atfoyer 2K Window Camera offers advanced features for comprehensive home security:
- 2K/3MP Ultra HD Resolution: Captures clear details with anti-glare and anti-reflection technology.
- Full-Color Night Vision: Provides rich details in low light, surpassing traditional infrared.
- Easy Installation: Peel-and-stick design for secure mounting on glass surfaces.
- 24/7 Real-Time Alerts: High-precision sensors send instant notifications to your phone for unusual activity.
- Two-Way Audio: Built-in microphone and speaker for communication.
- Local & Cloud Storage: Supports SD card (up to 256GB, not included) and optional U.S.-based cloud storage.
- 2.4GHz WiFi Connectivity: Ensures stable and smooth video playback.
- Multi-Device Management: Share camera access and manage multiple cameras via one app.
- AI Person & Vehicle Detection: Customizable detection zones to reduce false alarms.

Image: Illustration of AI Person and Vehicle Detection, highlighting customizable detection areas for improved accuracy.

Image: A visual comparison demonstrating the clarity of Day Vision, the detailed Full-Color Night Vision, and the limited view of traditional black and white night vision.
Setup Guide
Follow these steps to set up your Atfoyer 2K Window Camera:
- Prepare the Surface: Clean the glass surface where you intend to mount the camera. Ensure it is free of dust, dirt, and moisture for optimal adhesion.
- Power On: Connect the camera to the power adapter using the provided charging cable and plug it into an electrical outlet.
- App Download & Pairing: Download the dedicated Atfoyer security camera app from your smartphone's app store. Follow the in-app instructions for Bluetooth-assisted pairing to connect the camera to your 2.4GHz WiFi network.
- Mount the Camera: Peel the protective film from the adhesive suction cup. Firmly press the suction cup onto the clean glass surface. Ensure a secure attachment.
- Adjust Angle: Once mounted, adjust the camera's angle to cover your desired monitoring area.

Image: A visual guide illustrating the four simple steps for setting up the camera: 1. Wipe the window clean, 2. Pair with the app, 3. Stick the suction cup on the window, 4. Mount the camera onto the suction cup.
Operating Instructions
Live View and Recording
Open the Atfoyer app on your smartphone to access the live feed from your camera. You can view real-time video, initiate manual recordings, and take snapshots. The camera automatically records based on motion detection settings.
Motion Detection and Alerts
The camera is equipped with high-precision sensors. When motion is detected, you will receive instant notifications on your phone. Customize detection zones within the app to focus on specific areas and minimize false alerts.

Image: A smartphone displaying the camera's app interface, showing live window monitoring with options for playback, gallery, motion detection, and siren activation.
Two-Way Audio
Use the two-way audio feature to communicate through the camera. Tap the microphone icon in the app to speak, and listen through the camera's speaker. This is useful for interacting with visitors or deterring unwanted guests.
Storage Options
Recordings can be stored in two ways:
- Local Storage: Insert a microSD card (up to 256GB, not included) into the camera's designated slot. Recordings will be saved directly to the card.
- Cloud Storage: An optional subscription service provides secure, encrypted cloud storage for your recordings. Access playback anytime, anywhere.

Image: A diagram showing the camera with icons for 8-256G SD card storage (not included) and US Cloud Storage (requires subscription), along with a timeline of recorded events.
Multi-Device Management
The Atfoyer app allows you to manage multiple cameras and share access with family members. Monitor different areas of your home or property from a single interface.

Image: A smartphone screen displaying the Atfoyer app interface, showing multiple connected cameras for different locations like "Home Energy Camera", "Front Door", "Backyard", and "Fish Tank".
Maintenance
- Cleaning: Gently wipe the camera lens and body with a soft, dry cloth. Avoid abrasive cleaners or solvents.
- Firmware Updates: Regularly check the app for available firmware updates to ensure optimal performance and security.
- Adhesion Check: Periodically check the suction cup's adhesion to the window, especially in varying temperatures, to ensure the camera remains securely mounted.
- Storage Management: If using an SD card, periodically review and manage stored footage to prevent the card from filling up.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Camera not connecting to WiFi. | Incorrect WiFi password, 5GHz network, weak signal, camera too far from router. |
|
| Poor video quality or lag. | Weak WiFi signal, network congestion, internet speed issues. |
|
| Motion alerts are too frequent or not triggering. | Sensitivity settings, detection zone configuration. |
|
| Night vision is not in full color or is unclear. | Insufficient ambient light, reflections, camera placement. |
|
| Suction cup not holding. | Dirty surface, temperature changes, improper application. |
|
Specifications
| Specification | Detail |
|---|---|
| Model Name | ATUSW3CR |
| Indoor/Outdoor Usage | Indoor |
| Video Capture Resolution | 2K (3MP) |
| Connectivity Technology | Wireless (2.4GHz Wi-Fi, Bluetooth) |
| Power Source | Corded Electric |
| Mounting Type | Window Mount (Self Adhesive) |
| Night Vision Range | 33 Feet |
| Low Light Technology | Night Color |
| Optical Zoom | 3x |
| Digital Zoom | Yes |
| Alert Type | Audio and Motion |
| Compatible Devices | Smartphone, Tablet (Android controller type mentioned) |
| Storage | SD Card (up to 256GB, not included), Cloud Storage (optional subscription) |
| Dimensions (L x W x H) | 3.14 x 3.14 x 1.41 inches |
| Item Weight | 7 ounces |
| Manufacturer | Atfoyer |
Warranty and Support
For warranty information and technical support, please refer to the official Atfoyer website or contact their customer service directly. Contact details are typically found on the product packaging or within the mobile application's 'About' or 'Support' section.
Manufacturer: Atfoyer

