Two Way intercom PIR Motion Wifi Smart Video Doorbell

V7 Smart home security wifi video doorbell Wifi smart wireless security doorbell know people with insight,keep abreast of changes outside the door, Anytime,anywhere,you want to seeit,regardless of travel,work,business trips,traffic lights,etc. you can turn on the monitoring doorbell any time and any where to understnad all the dynamics at the door.   FEATURE *Monitoring *Two-way Audio *7 DAYS free cloud service *166° wide angle camera lens *2.4G wifi *Phone App remote control *Memory card or Cloud storage *Night Vision SPECIFICATION *Model:V7 *Product name: Smart Video Doorbell *Material:ABS plastic *Motion detection:Support PIR *Battery:2 x 18650 Batteries(not include) *Two-way intercom:Support full-duplex real-time call *Cloud storage:optional 7days loop permanent free cloud storage *Working temperature: -10°C ~+50°C *Working humidity: ≤80%RH PACKAGE  1 xSmart Video Door Bell 4 x Screws 1 x Manual 2 x 18650 batteries