... SunPower from USAHigh efficiency: 20%-22%IP 67 Waterproof Junction box: On front or backThickness: 2.2-3.0mmLight Weight: ... Delivery]Packaging Details:Foam protect each solar panel, carton box, palletDelivery Detail:In 3days after confirmed all the details.High ... withstands hail, storm and other harsh weather.3, Different Waterproof Connection box ( insert diode ).4, White and Black color available.5, ...