What is the version of the following sentence with correct punctuation?

Room facilities Air conditioning Alarm clock Bathroom Cable Channels Carpeted Coffee machine Desk Flatscreen TV Hairdryer Heating Iron Ironing Facilities Radio Refrigerator Telephone Toilet Wakeup service
Room facilities: Air conditioning, Alarm clock, Bathroom, Cable Channels, Carpeted, Coffee machine, Desk, Flat-screen TV, Hairdryer, Heating, Iron, Ironing Facilities, Radio, Refrigerator, Telephone, Toilet, Wake-up service