Sell something for me

I am looking at purchasing mobile phone charging machines. These machines have a 14 inch screen, where local businesses can [login to view URL] will be sited in busy pubs, shopping centres, bus stations [login to view URL] business can advertise for a monthly fee. There will be 30 to 59 adds per machine, the client will also need a add designed. Thus is a new business venture, and 5 machines are being purchased has a trial