I would like to buy the turning light modules. Please tell us: 1.What is the minimum order quantity? 2. Is it for 12v or for 24v? 3.Do you have sample? 4.What is in the box?5.What is the price for MOQ? 6.What is the price for sample? 7.How much is the shipping to Bulgaria with insurance or "sighned for"? Thank you in advance!