Quantity: One piece Color: Silver Product size: Picture display Product function introduction: 1: Simple mobile APP setting, one-handed operation 2: 720P HD wide-angle lens. 3: Long standby time (3-6 months, defined by battery capacity). 4: Two-way talk, one-way video, distinguish the caller. 5: Human body induction, someone stays, the host wakes up and sends a message. 6; Infrared night vision, night is like daylight to identify visitors. 7: Recording, motion detection recording, doorbell button to start recording, APP preview recording, visitor behavior recording. 8: Support multiple languages, follow the changes of the mobile phone language system. The factory settings are all in English. The default minor language is English. 9: Supports 8 mobile phones to connect to the doorbell and 3 mobile phones to watch at the same time. 10: Supports cloud storage. 11: Charging mode, DC 5V-1A, AC 8-16V. You can watch it anytime, anywhere, regardless of travel, work, business trip, open the