... 4.siren stype is optional;5.two extra logo is for choose;6.rolling code is optional according to order qty; ... 15W,20W,25W,these specification is optional,but needs extra value,you can email to us for final price. ... sale items,we can send them to you within 3-7days,fast delivery is our aim,we will promptly ... avoiding high shipping cost and delay delivery,it is easy to buy them in your country,don't worry! ...