ECoupon is mobile parking system which provides completed solution for car park owner. It allows motorist to purchase the parking lot and make payment of parking fine. ECoupon will automatically reminder motorist when the parking lot is getting expired. Motorist can choose to extend the parking period via app. Expect parking, Carpark inspectors can use ECoupon to check if the motorist pay the correct parking fee. The parking fine also can be issued via ECoupon app.