Karefon

Karefon allows people to contact you without your personal information (phone number) via a QR code.

People can contact you in cases such as parking violations with a sticker you will stick on the windshield of your vehicle.

Or;

Karefon allows your guests or visitors (postman, cargo, guest, etc.) to reach you via your mobile phone with a QR Code stuck or hung in front of your door. Karefon is a 4th generation advanced mobile intercom. It allows you to contact your guests from anywhere in the world and control your guest, garden, etc. gate or parking lot from anywhere in the world at any time.