Applicable door thickness: Supports a maximum door thickness of 87mm. Applicable door aperture: 15.9mm. APP remote control. Work with "Tuya Smart" and "Smart Life "apps, connect to wifi, and check the situation outside the door anytime and anywhere. Motion Detection. Remote Alarm. Alarm messages automatically sent to your mobile through APP. HD 1080P with Night Vision With infrared night , easy to caputer night images. Resolution: 1080P. 1920 x 1080. Pixels: 2 million (dpi) One Way Talk. listen to what the visitor says, but the visitor cannot hear what you say, protecting security and privacy. Photo/Video Recording. When someone stays at the door, the camera capture and record a video.(need a memory card ) Select the appropriate sensitivity for different situation Product highlight: 170 Viewing Angle APP remote control Motion Detection HD 1080P with Night Vision One Way Talk Photo/Video Recording Alarm Sensitivity Adjustable Variety Of Applications Two Storage Methods Product description: APP: "Smart Life" or "Tuya Smart" Camera perspective: Wide angle 170 Memory card: supports up to 128Gb WiFi mode: 2.4G&5GWiFi Input: 5V/1A For apartment,home,office and store etc. 1:Monitor home 2:Look at children 3:Look at elder 4:See pet 5:Monitor company 6:Monitor store Support STF card Up to 128G TF card, and efficient.you can save images and videos for later viewing. Support cloud storage Cloud storage is more secure,and provide a password for more.It is convenient for many people to participate. (Note: Please use 5V/1A plug, can not use fast charging plug, to avoid equipment burned out!) Color: Black Material: Metal Package Contents: 1x WIFI Camera(No memory card) 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.