Ohio Revised Code Title XLV. Motor Vehicles Aeronautics Watercraft § 4513.12

(A) Any motor vehicle may be equipped with not more than one spotlight and every lighted spotlight shall be so aimed and used upon approaching another vehicle that no part of the high-intensity portion of the beam will be directed to the left of the prolongation of the extreme left side of the vehicle, nor more than one hundred feet ahead of the vehicle.

Any motor vehicle may be equipped with not more than three auxiliary driving lights mounted on the front of the vehicle. The director of public safety shall prescribe specifications for auxiliary driving lights and regulations for their use, and any such lights which do not conform to said specifications and regulations shall not be used.

(B) Whoever violates this section is guilty of a minor misdemeanor.