[App remote control] Through APP (Tuya App and Smart Life App), you can remotely modify detection status, sensing time and other parameters, watch detection playback, etc. [3MP ultra-clear picture quality, clearer than 1080P] Use USB interface plug and play, no installation required. Equipped with 3MP ultra-clear picture quality, clearer than 1080P, providing more delicate picture quality, automatic switching of night vision mode, and clear image in dark environment. [Precise detection alarm] Supports sound detection, motion detection and human recognition. You can monitor movement or sound at any time. When the device receives a signal, it immediately up a notification and save a snapshot, leaving key evidence. When there is a in front of the door at night, if an abnormality is found, an alarm reminder be automatically issued, and the siren and light be activated immediately to play a deterrent role of light to the safety of your home and property. [AI intelligent recognition of human body, filtering pet interference] You can specify areas and human body detection, turn on human body detection, accurately track human body movement, and filter pet activities [Two-way voice calls, real-time interaction] Built-in high-definition noise reduction microphone and speaker, remote two-way calls can be made through the mobile phone APP, whether it is family members taking care of the elderly, children, or pets, it is unimpeded anytime and anywhere. [Large-capacity storage] Can support cloud storage (need to be purchased), and the video triggered by the motion detection mode is automatically uploaded to the cloud, which can keep the data intact. Even if the device is lost, the video is still safe and can be viewed at any time. Compatible with up to 256GB Micro-SD card storage (need to be purchased, not included), local storage is more flexible, and videos can be viewed at any time. [Clearly visible at night,