Voltage: 12V(if you need 24V,please inform us when you make the payment or 12V will be deliveried) 1 pcs include 1 bulb ,not 1 pair bulb 1) 25pcs SMD. 3) Working voltage: DC 12, 24V 4) Colors available: white, red, yellow, blu All message will be answered within 1 business day. If you do not receive our reply, please kindly re-sent your email to " Messages" and we will reply you as soon as possible. • For North America,Australia often is 3-5 business days from the date of shipment • For Western Europe often is 3-5 business days from the date of shipment. • For East Europe often is 3-5 business days from the date of shipment. • For South America often is 5-8 business days from the date of shipment. DHL express are often utilized by us with tracking number . We provide products with high quality to our customers. All products are guaranteed BRAND NEW in the package. Factory Check Finished Strictly Before Packing . • 12 months no hassle warranty on ballasts and bulbs through us. • Any component fails within warranty period, should be sent back. We will replace the defective component immediately. • Buyer is responsible for return shipping costs for all warranty claims. 12 Months Warranty ! Because of the transport process will appear the block, so please buyer when buy as far as possible the delivery extend..