V5 video doorbell product introduction 1: Product function introduction 1: Simple setting of mobile phone APP "Aiwit", one-handed control 2; 720P high-definition wide-angle lens. 3: Long standby time (from March to June, defined by the size of the battery capacity). 4: Two-way talk, one-way video, identify who comes. 5: Human body induction, someone stays, the host wakes up to send a message. 6; Infrared night vision, the night is like the day to recognize the visitor. 7: Video, motion detection video, doorbell button start video, APP preview video, record visitor behavior. 8: Support multiple languages, follow the phone language system changes. The factory settings are in English. The default language is English. 9: Support 8 mobile phones to connect to the doorbell, 3 mobile phones to watch at the same time. 10: Supports 3-day cycle cloud storage, does not support TF card storage. 11: Charging mode, DC 5V-1A, AC 8-16V. Two: Appearance introduction: 1. Plastic material. 2. The doorbell host is divided into three colors: silver with black, silver and black. 3. Stand-alone size 144x74x32MM.4. Can hold 3 18650 batteries. Three: Matters needing attention. 1. The doorbell products sold do not contain Dingdong machine battery USB cable