WiFi IP Visual Doorbell HD 2MP Camera supplies
1.Optional 2pcs 18650 batteries
2.1 MP / 2MP pixels optional
3.It can stand by for 180 days when fully charged
4.No need for Installation, plug-in and network cable, free placement
5.Can be equipped with chime
6.Live remote monitor
7.Built-in speaker and microphone, and comes with echo cancellation. Two-way audio monitoring