Guangzhou Feipu Sci-Technology Co., Ltd is an affiliated company in Mainland China. We’re one of the manufacturers specialized in Car HID Ballast with professional researching term and a modernizing factory. We have developed many new designs and models this year, and our new models offer superb design and perfect character, their new features give them distinct advantages over similar products from other manufacturers, and I am sure that there must be some kinds attracting your attention. We recommend FP-SB to you. 1. has the protectprocedure that can identify cold and heat temerature. 2. has the protect procedure that can lower the power of low-voltage. 3. has the procedure that can protect high lamp voltage. 4. has the protect procedure that can keep the invariableness power 5. has the protect procedure that can low the power and start to input the voltage under 9v. We also have a better one called FP-MN Ballast, if you are intersting in it ,pls tell us. Contact us: locola#S I N A , C O M