WIFI No Screen(output by APP) Telephone One to One video doorphone

Screen Size:No Screen(output by APP); What's in the box:1 x User Manual - English; Screen Resolution:720P; Lens:3.6; Connection:WIFI; Installation:Wall Mounted; Kit Configuration:One to One video doorphone; Viewing Angle:120; Answering mode:Telephone; Listing Date:05/23/2019; Production mode:External procurement