美国采购需求：防水头灯，LED防水头灯，Cob头灯，传感器头灯，可充电头灯，露营灯

I'm reaching out to gather more detailed specifications and pricing information for the King product line. Specifically, I'm interested in understanding the various features, available options, and any customization possibilities that might be offered. Could you please provide a comprehensive overview of the pricing structure, including any discounts for bulk orders or special promotions? Additionally, any information on lead times for delivery would be greatly appreciated. Thank you in advance for your assistance!