Vandsec Low Power Doorbell

Vandsec Low Power Doorbell - 2.4G Wi-Fi Connection; High Quality Two-way Talk With Noise Cancellation; Million HD Pixels Collocated With Wide-Angle Lens; Support PIR Motion Detection; Day And Night Mode Automatic Switching; Two 18650 Specification Batteries Work Regularly For 8-12 Months; Retail Box; 6 Months Warranty.