?Ample & Convenient In-App Functions?2-way audio helps you cuddle your pets, talk to your children, or scare the unwelcome whenever and wherever. And you can always take a view via the app or free your hands via Alexa. ?Trail the Route, Track the Importance?Enabled to pan 360° and tilt 120°, the camera auto tracks the subject that comes into its eyes, and follows the person or pet attentively to record funny moments. ?Advanced Detection Tech Helps Stay Alert?Equipped with motion detection and sound detection, the camera is watchful enough to catch suspicious movements and abnormal sounds. Once human/sound is detected, the camera catches it and tells you via phone push. ?More Opt. Choices for your Wi-Fi & Storage?The dual-band 2.4G/5G Wi-Fi connection allows the camera to have greater adaptability. And the optical up to 128Gb SD card or cloud storage provided by the AWS server is up to your preference. ?Vivid Day & Night View in 4MP Resolution?Way clearer than 1080P, Crater Pro with 4MP clarity gives a more enjoyable live vision, records in finer details, and evener color. It provides an IR night vision with up to 6 meters range, which is sufficient enough for indoor usage.