[64GB Memory Card Included - No Monthly Fees] A 64GB microSD card is pre-installed, so recording starts straight away with nothing extra to buy and no subscription to pay. Expand to a 256GB card or connect a ZOSI NVR for 24/7 footage, and manage live view and playback from the free ZOSI Smart app on your phone. Please note: this model connects on 2.4GHz WiFi only (5GHz is not supported) and runs on the included DC power adapter, so no extra wiring is required. [4K Ultra HD Resolution & 100ft Clear Night Vision] Experience crystal-clear 8MP (3840×2160) video that captures every detail—day or night. Three infrared LEDs deliver clear black-and-white night vision, with a visibility range of up to 100ft. It’s ideal for monitoring large areas such as driveways, yards, and shop entrances. [Smart AI Motion Detection & Automatic Human Tracking] Equipped with advanced AI technology, this camera can accurately recognize humans, vehicles, and faces. It supports automatic human tracking and sends instant app notifications whenever unusual movement is detected. You can also customize detection areas to reduce unnecessary false positives. [IP66 Weatherproof Design & Pan-Tilt Full Coverage] The 4K C290 WiFi camera features 360° horizontal pan and 90° vertical tilt, covering every corner without blind spots. Crafted with a sturdy metal front shell and ABS housing, this camera is built for long-lasting outdoor use. Rated IP66 waterproof, it operates normally in rain, snow, and temperatures ranging from -10°C to 55°C. [Two-way Audio & Sound and Light Alarm] Built-in microphone and speaker enable real-time two-way communication. Plus, with a built-in sound alarm and two-way audio, you can not only receive real-time alerts but also actively warn intruders or communicate remotely with family members.