Nominal 12V DC for standard output.
Heavy-duty anodized frames.
High transparent low-iron,tempered glass.
Rugged design to withstand high wind pressure,
hail and snow load.
Aesthetic appearance.
Limited
warranty: 2-year limited warranty of materials and workmanship; 10-year
limited warranty of 90% power output; 25-year limited warranty of 80%
power output.