wifi smart video doorbell wireless door bell 1080p hd wireless home security doorbell camera with two-way talk & video, ir motion

1.three 18650 specification batteries. 2.million hd pixels collocated with 166 degree wide-angle lens 3.support mobile phone remote fast wake up device within 1 second. 4.2.4g wi-fi connection 5.two-way talk with noise cancellation