WiFi Visual Ring Smart Doorbell Smart Home Wireless Camera Video Door Bell Phone Intercom Homekit Security Automation Module-Black

166° Angle of View: The corners of the door; courtyard; corridor; aisle and other corners are clear at a glance Infrared Motion Detection: When a person has an action in front of the doorbell; the device will send a notification to the mobile terminal Mobile app control: You can remotely wake up doorbell and watch live video from your smartphone Support real-time video and audio chat with visitor Support night vision; available day and night. Detailss: Resolution: 1280x720 Field of Angle View: 166° IR LED: 6x850mm Wi-Fi: IEEE 802 11 b/g/n Audio: Two-way talk with noise cancellation Recording: Device SD card recording(20 seconds) Storage: 8G/16G/32G(not included) Battery: AC Input/3 x 18650 specification batteries(total 6800mAh; work regularly for 6 months.) (Not Included) Monitoring: Device Button; Motion Detection; Remote Live View Notification Function: Push Notifications within 1 second Device Wakeup: Within 600 ms Power Consumption: Power Consumption Standby 200'A; Working 170mA Color: Black / Silver Size: 100mmx175mmx77.5mm Package included : 1 x WIFI Doorbell ( Battery Not Included) Note: Due to the light and screen difference; the item's color may be slightly different from the pictures. Please allow 2-3mm differences due to manual measurement.