Suitable for power supply in multiple scenarios,Can be used in basic power supply scenarios Strong light-transmitting tempered glass,High light-transmittance coating, ultra-white tempered glass, light transmittance up to 93%, can effectively resist hail, rain and snow; can withstand 5400PA wind and rain impact High quality battery cells,High-quality battery cells can effectively good electrical performance of the battery panels Long service life Anodized aluminum alloy frame PPF anti-aging,The back is made of anti-aging backboard with good waterproof sealing. Product model: 30W Open circuit voltage: 21V Working voltage: 18V Short circuit current: 1.766A current: 1.66A Colour:As Shown Material:metal+polysilicon Package Contents: 1 * Solar Panel Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.