Mobile surveillance camera with a network chip and high-quality 4k 8mp imaging. It has four cameras: three fixed cameras and one mobile camera with 360-degree rotation, operating 24 hours a day. It supports an external memory card for recording audio and video. It has a microphone for two-way communication with people nearby and a motion sensor that tracks people passing by. It features clear color day and night vision up to 8k, and is resistant to rain and external weather factors. When any motion is detected in front of the camera, an alert is sent to the linked mobile phone. The camera can be linked to multiple phones and has an alarm siren.