... :CE,RoHS,ISO High quality,low price,long lifespan solar PV module Solar panel:30W,18V International certificate:CE,RoHS,ISO High ... Max power PM 30W Weight 5kg Dimension 520*430*35mm Frame Al frame,no screw Sealed Tech Tempered glass lamination STC Irradiance ... and etching effectively,not effect by geology. 30W polycrystalline solar PV module