comet 13K WIFI No Screen(output by APP) Telephone One to One video doorphone

Model: comet 13K; Screen Size:No Screen(output by APP); What's in the box:English and Chinese Manual; Screen Resolution:720P; Lens:3.6; Connection:WIFI; Installation:Wall Mounted; Kit Configuration:One to One video doorphone; Viewing Angle:140; Answering mode:Telephone; Working Temperature(°C):0-50℃,0-50℃; Listing Date:05/22/2019; Production mode:External procurement