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

Room facilities Air conditioning Bath or Shower Cable Channels Desk Electric kettle Free toiletries Hairdryer Heating Iron Ironing Facilities Refrigerator Safety Deposit Box TV TeaCoffee Maker Telephone Toilet
Room facilities: Air conditioning, Bath or Shower, Cable Channels, Desk, Electric kettle, Free toiletries, Hairdryer, Heating, Iron, Ironing Facilities, Refrigerator, Safety Deposit Box, TV, Tea/Coffee Maker, Telephone, Toilet