The two cameras above and below allow you to see clearly from head to toe,It has a dual-camera design that single-camera doorbells do not have, which allows full coverage of the security scenes in front of and under the door, and a field of view brings a strong sense of security. Ultra-wide-angle lens allows you to see clearly outside the door,2 MP high-definition pixels + 92 field of view, exquisite image quality, clear picture, not missing any blind spot. With wide-format digital photosensor, it can present full-color pictures even in dark environment. Intelligent infrared night vision, clearly visible at night,With 8 850nm infrared night vision lights, 6 on the upper lens and 2 on the lower lens, you can videos without light outside the door, reducing light pollution and not disturbing other . The transmission diameter is farther, the night vision fill light is more balanced, and the video image is clearer. Remote video call, see the person in front of you and communicate with /her in one click,When someone rings the doorbell, the phone be notified immediately. When you are away from home, you can also talk to the person outside through the mobile phone APP. Intelligent detection alarm accurately identifies abnormalities in front of the door,Equipped with PIR human body sensing sensor and AI human figure recognition technology, it can detect unusual movements around the clock. When someone passes by, the video doorbell immediately capture the video and push the alarm information to the mobile phone APP. Hign-concerned Chemical:None Feature:Photograph,Video Connection Type:WireLess Item Type:VIDEO DOORBELL Colour:As Shown Material:ABS Package Contents: 1 set * VIDEO DOORBELL Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.