HUMAN BODY SENSING: 24-hour real-time monitoring, combined with German PIR infrared sensors and image AI technology to optimize algorithms and networks. Some people immediately capture or record a video and push the reminder to the mobile app via a cloud encryption server. 170° SUPER WIDE-ANGLE LENS: wider viewing distance, monitor-level wide-angle lens, 5 full-glass lenses for better optical performance, 2.0 high-aperture high-light input, intelligent WDR wide dynamic compensation technology, even under backlight in complex lighting environments The image can also be clearly displayed, far superior to the traditional cat eye effect. PERMANENT FIRMWARE UPGRADE: no more expectations ,We have been working hard to make smart gating more and more powerful. In the future, he will add more AI features. As the firmware changes, the smart doorbell will support more smart home interconnections, and the future will become smarter and smarter. LARGE-CAPACITY BATTERY: long battery life, built-in 8250MAH high-density polymer lithium battery, combined with professional intelligent power-saving technology, can stand for 90 days. REAL-TIME VIDEO INTERCOM: remote communication, support two-way voice real-time call, one-touch direct dialing, professional debugging of embedded microphones and speakers, to ensure that the sound is bright and clear, such as face-to-face real.