Xiaomi Smart Camera C400 | 2.5K Ultra-Clear Home Security Camera, 360° Pan-Tilt View, 4MP Sensor, AI Human Detection & Invisible Night Vision
Xiaomi Smart Camera C400 features an upgraded 4MP sensor (2560 × 1440 resolution) that captures sharp 2.5K video. Additionally, its large aperture and 6P lens reduce light refraction to ensure bright, vivid image detail.

Ultra-Clear 2.5K 4MP Resolution & Optics
Xiaomi Smart Camera C400 uses an upgraded 4MP camera that records at 2560 × 1440 resolution. This is a clear step up from standard 2K footage, so faces, movements and surroundings come through in fine detail. A large aperture and a 6P lens reduce light refraction, so images look bright, vivid and true to life.

360° Panoramic Pan-Tilt Room Coverage
Equipped with a dual-motor mechanism, the lens rotates 360° horizontally and 106° vertically. Consequently, this full-room view eliminates blind spots directly from the Xiaomi Home app.

Invisible 940nm Infrared Night Vision
Unlike traditional security cameras, the C400 uses non-disruptive 940nm infrared night vision with no visible red light glow. Therefore, it provides clear low-light surveillance without disturbing sleep in bedrooms or nurseries.

AI Human Detection & Tracking
The built-in AI human detection module identifies human shapes and tracks movement automatically. Furthermore, it filters out false alarms caused by pets or shifting lights to improve alert accuracy.
2-Way Audio & Noise-Canceling Microphone
With a large-cavity speaker and smart noise reduction, the camera supports real-time two-way voice calling up to 5 meters away. As a result, you can easily speak with family or check on pets remotely.
AES-128 Hardware Security & Data Privacy
Featuring an integrated Xiaomi Security Chip, all video streams are secured with AES-128 encryption. In addition, users can set custom sleep timers to maintain absolute home privacy.
Flexible MicroSD & Encrypted Cloud Storage
Footage can be stored locally via microSD card (up to 256GB) with continuous loop recording or backed up to secure cloud storage. Moreover, new activations include 3 months of free rolling cloud backup.
Dual-Band Wi-Fi & Smart Home Integration
Supporting 2.4GHz and 5GHz dual-band Wi-Fi, the camera delivers faster, low-latency transmission. Likewise, it seamlessly pairs with Google Assistant, Amazon Alexa, and the Mi Smart Clock.
Quick 3-Step Setup & Flexible Mounting
The C400 supports flat tabletop placement or inverted ceiling mounting with automatic app image rotation. Simply power on, download the app, and connect in three easy steps.
Xiaomi Smart Camera C400 FAQs
Q1. What is the video resolution and camera quality of the Xiaomi Smart Camera C400?
Yes. This bedroom security monitor uses 940nm infrared night vision with no visible red glow . It ensures crystal-clear indoor night surveillance in children’s rooms and bedrooms without disturbing your sleep.
This smart indoor camera supports two flexible recording options:
- Local Storage: Supports a microSD card up to 256GB with automatic loop recording.
- Cloud Storage: Activating the device in the Xiaomi Home app includes 3 months of free rolling cloud storage. Extended plans are paid.
The AI human detection feature is disabled by default . To activate smart motion alerts and filter false alarms, simply turn it on inside the Mi Home / Xiaomi Home app settings.





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