New/Open Box. Mini Video Wireless Doorbell Camera with 2 Way Audio Black. Scan QR code for Aiwit App to download and install. Up to 8 or more accounts to relatives at the same time for a variety of scenarios and usage needs. 2 Way Audio supports cell phone video call, image cloud storage and other functions. Phone notifications with video call interface. 120-degree angle surveillance with high-definition infrared night vision.