15-year product warranty • High-efficiency cells decrease ohmic losses and increase the yield • Tempered 3.2 mm safety glass for optimal mechanical stability and transparency • High temperature resistance (tested at 105° C for 200 hours) • For installations up to an altitude of 7000 m • Maximum resistance against hail (83 km/h) • Quality controll with electroluminescence (EL) tests on each module · Water-repellent, high-transmittance and antireflection coating glass, to increase yield and avoid dust deposition