h7 wifi smart doorbell video intercom security camera door bell remote monitoring alarm

two-way talk with noise cancellation support pir motion detection,when someone hovers at the door, immediately alerts push notifications to the mobile phone. day and night mode automatic switching, whether day or night, the image is clear visible, for your safety and family security million hd pixels collocated with wide-angle lens support mobile phone remote fast wakeup device within 1 second. 2.4g wi-fi connection three 18650 specification batteries work regularly for 9 months