4-megapixel camera, 2.5K ultra-clear picture quality, clear and bright picture, better detail restoration  Four-light full-color night vision, the picture still maintains color in low-light environments, and the fill light automatically turns on after recognizing human figures at night.  IP66 dustproof and waterproof design, no fear of stormy weather, and can easily cope with various complex weather conditions. The dual pan-tilt design supports mobile phone control of the camera to rotate up, down, left, and right, providing a wider visual range and more flexible care. The built-in high-sensitivity microphone and high-power speaker have a long pickup distance, loud sound, and clearer two-way voice dialogue. Support humanoid detection, humanoid tracking, sound, and light alarms, automatic recording of alarm video, and push alarm reminder information on the APP. Supports remote viewing on multiple terminals such as mobile phones, Xiaomi tablets/Xiaomi TVs, etc. It supports two storage methods: local + cloud, which is easy to use. Provide three installation methods: hoisting, side mounting, and pole mounting, which can be used indoors and outdoors. Specifications Pixel: 4 million pixels Resolution: 2560x1440 Aperture: F/1.6 Video encoding: H.265 Wireless connection: Wi-Fi IEEE 802.11b/g/n 2.4GHz Storage method: MicroSD card (8GB-256GB), Xiaomi Cloud Storage Supported systems: Android 8.0 or iOS 12.0 and above Waterproof level: IP66  Rated input: 12V-1A Working temperature: -30 degrees Celsius to 60 degrees Celsius Working humidity: 0-90% RH