According to ANSD, in Senegal there are 50,000 farmers who are more than 5 kilometers from their farms. They spend fuel, energy and time to get there and turn on the watering mechanism. More generally, the context is similar in arid or semi-arid areas of African countries. Although there is a risk of theft if there is no guard on site. Nano Air fits into this context by offering a concrete digital solution to this problem. Once installed with a starter, the box, named WIDIM POMPE, created by the company, allows the farmer to remotely trigger the irrigation of his farm through simple SMS commands with a basic phone. It gives the farmer the possibility to have a balance sheet of his water and energy consumption, theft alerts by SMS. The solution saves an average of 30 m3 of water and 30 Kwh of electricity per month and saves the farmer 2 hours per day.