Use my connected product

• What size an audio/video connection have through Internet for 30sec (between External Pannel and smartphone)?
• How can I know if Home + Security App is compatible with my smartphone?
• Can I use my EASYKIT Wifi With Netatmo without creating an account?
• How can I know if DOOR ENTRY app is compatible with my smartphone?
• In the event of a temporary Internet outage, which services continue to work?
• What size an audio/video connection have through Internet for 30sec (between External Pannel and smartphone)?
• Can I use my Easy Kit Connected without creating an account?
• Which functions still work without WiFi connection?