The Xiaomi Outdoor Camera CW400 is designed to provide reliable outdoor surveillance with ultra-clear 2.5K (2560 × 1440) resolution and a 4MP image sensor that captures sharp, detailed footage throughout the day and night. Equipped with a large F1.6 aperture lens, brighter and clearer images are produced even in challenging lighting conditions. The camera features smart full-colour night vision, allowing colourful nighttime recordings with the help of intelligent white lights that are automatically activated when human movement is detected.
Built to withstand demanding outdoor environments, the Xiaomi Outdoor Camera CW400 is protected by an IP66 water resistance rating, making it suitable for year-round installation. Stable wireless connectivity is maintained through a high-gain dual-antenna Wi-Fi design, while AI human detection helps reduce false alarms by distinguishing people from other moving objects. Smart security is further enhanced with audible and visual warning systems, two-way voice communication, flexible installation options, and secure local or cloud storage for dependable home and business monitoring.
Key Features
Ultra-Clear 2.5K 4MP Video Quality
High-resolution 2560 × 1440 (2.5K) recording is supported by a 4MP image sensor and an F1.6 large aperture lens, ensuring brighter images with improved detail for enhanced outdoor surveillance.
Smart Full-Colour Night Vision
Four built-in lights provide intelligent full-colour night vision. White lights are automatically activated when a person is detected, allowing colourful footage to be captured even in low-light environments.
AI Human Detection
The next-generation AI human detection algorithm filters out false alarms by identifying human movement. Video recording is automatically started, and alerts are sent directly to a connected smartphone.
Active Audible and Visual Defense
When motion is detected within the monitoring area, flashing lights and audible warnings are automatically triggered to deter potential intruders while instant notifications are delivered through the Mi Home or Xiaomi Home app.
Dual-Antenna Wi-Fi Connectivity
A high-gain dual-antenna design provides stronger and more stable wireless performance, helping maintain reliable long-distance network connections.
Two-Way Voice Communication
A high-sensitivity microphone and high-power speaker with smart noise cancellation enable clear conversations with visitors or delivery personnel from virtually anywhere.
Flexible 360° Monitoring
A dual-gimbal design offers 360° horizontal and 160° vertical viewing angles, allowing wider outdoor coverage with fewer blind spots.
Secure Privacy Protection
An integrated MJA1 security chip provides secure communication and data storage through unique encryption keys and certificates for enhanced privacy protection.
Dual Storage Support
Video recordings can be stored locally on a microSD card up to 256GB or through a cloud storage service for additional backup and monitoring capabilities.
Time-Lapse Photography
Built-in time-lapse mode condenses long outdoor events into short, engaging videos, making it easy to capture changing weather, landscapes, and memorable moments.
Flexible Outdoor Installation
The camera supports ceiling, side, and pole mounting, allowing installation to be adapted to different outdoor locations.
Specifications
Product Name: Xiaomi Outdoor Camera CW400
Product Model: MJSXJ04HL
Resolution: 2560 × 1440 (2.5K)
Image Sensor: 4MP
Aperture: F1.6
Lens Angle: 113°
Video Encoding: H.265
Wireless Connectivity: Wi-Fi IEEE 802.11b/g/n (2.4GHz)
Storage Mode: MicroSD card (supports up to 256GB)
Cloud Storage: Supported (paid service)
Compatible Operating Systems: Android 8.0 or iOS 12.0 and above
Rated Input: 12V/1A
Water Resistance Rating: IP66
Camera Working Temperature: -30°C to 60°C
Adapter Working Temperature: -30°C to 45°C
Mounting Options: Ceiling mounting, side mounting, pole mounting
Package Contents
- Camera ×1
- Power adapter ×1
- Wall mounting bracket ×1
- Waterproof rubber strip for power cable ×1
- Wall-mounting/ceiling-mounting template sticker ×1
- Screw accessories package ×1
- User manual ×1
Conclusion
The Xiaomi Outdoor Camera CW400 combines 2.5K ultra-clear imaging, AI-powered human detection, full-colour night vision, and IP66 weather protection in a durable outdoor security solution. Reliable wireless connectivity, secure storage options, flexible installation methods, and active security features are provided to help monitor homes, offices, driveways, and outdoor spaces with confidence in a wide range of weather conditions.
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