Camera:full 3G1P support wifi angle 1.7mm Lens Power:AC/DC 24V or Battery powered Storage:8G/16G/32G Angle:horizontal 170 Degree IR LED:6 lights,850nm Resolution:720P(1280*720) WIFI:802.11b/g/n Mobile APP:Support Audio:Two-way Speaking,with echo removal function Power Supply:AC/DC24V or two 18650 battery 2200mAH Video:SD Card/Mobile Phone record Dingdong matching:Optional Show More