BuW 10A 12V/24V Auto Switch Solar Panel Battery Regulator Charge Controller Item shipped from China, usually need 10-15 Business days. We will ship others randomly if the color you chosen is out of stock. Any quality issue on the item you got,such as defective, please contact us for free replacement. If the size you chosen is out of stock, we will refund full money and compensate you. Please confirm color, size before ordering, refer to the content in brackets in the title.