When baby pressed the button for video call.The camera will send a notifification to your mobile phone ,then you can pick up video call with your baby."Private Mode:" Turn on private mode, the camera will hide the lens to protect personal privacy [ Motion Detection&Auto Tracking Instant phone Alerts ] Intelligent motion detection, the camera will focus on the object and auto track it to catch HD picture.when motion is detected, App alerts with snapshot&record(SD Card Required) to your mobile device and and activate alarm for abnormal actions [Fluent 2 Way Audio & Manually Day and Night Vision] :Built-in noise reduction microphone & speaker, you can keep in touch with your baby/pet between the APP. Home security camera will automotically change into day/night mode according to light changes and take super clarity videos with 1080P Full HD resolution"> [2.4/5Ghz Dual Band WiFi] :Powerful 2.4/5Ghz Dual Band WiFi chipset brings stable and longer WiFi transmission distance with WEP/WPA/WPA2 encryption. Listen and talk back synchronously like phone call through the built-in mic and speaker from Tuya App. Built-in background noise reducing chipset brings higher two-way talk quality. [Unique Functions Introduction]: "One-key calling:" When baby pressed the button for video call.The camera will send a notifification to your mobile phone ,then you can pick up video call with your baby."Private Mode:" Turn on private mode, the camera will hide the lens to protect personal privacy [ Motion Detection&Auto Tracking Instant phone Alerts ] Intelligent motion detection, the camera will focus on the object and auto track it to catch HD picture.when motion is detected, App alerts with snapshot&record(SD Card Required) to your mobile device and and activate alarm for abnormal actions [Fluent 2 Way Audio & Manually Day and Night Vision] :Built-in noise reduction microphone & speaker, you can keep in touch with your baby/pet between the APP. Home security camera will automotically change into day/night mode according to light changes and take super clarity videos with 1080P Full HD resolution