Detailed Product Description Solar Energy,solar panelPower(W): 4,8,18,38,180,200Voltage(V): 16.8, 17.2, 34.8, 26.6Dimension(mm): 216*306*18, 360*306*18,1580*808*35, 1482*992*35Specialty: 1) High transmission rate and low iron tempered glass 2) anti-aging EVA and high flame resistant TPT to laminate 3) high efficiency, long life, easy installation, high wind and hail impact resistance etc.