The display indicates the values on 3 digits and at the same time, the LED will remain on which indicates which measurement is selected by the appropriate selector. PHOTOVOLTAIC PRODUCTS. Reduced VAT rate of 10% for photovoltaic products for private individuals and final installers The final price includes 10% VAT pursuant to Presidential Decree no. 633 of 10.26.1972, part III, tab. A, 127-quinquies points, 127-sexies for which the solar kits/photovoltaic modules, photovoltaic accessories purchased at the Simatshop Sas company in Vaglio Antonella will be used exclusively for the installation of photovoltaic systems intended for the production of electricity. For different uses the VAT applied will be 22% and therefore the Customer must contact us before placing the order, in order t.