Video Ringtones: Internet smart doorbell camera mobile phone video call | image cloud storage | ultra-low power consumption and long standby | high-definition night vision | 130° wide angle Two-way video intercom: WIF intelligent setting, long-distance transmission, no need to open the door, video calls can be made with visitors outside the door through mobile phones, reducing accidents caused by accidental entry Cloud storage: Free circular image storage with unlimited cloud storage capacity, safe backup, support for classified viewing, downloadable local storage, and easy and fast viewing at any time.Sentence 4. Sensor lens: 125° wide-angle lens, wifi
