Vehicle Code § 21293

(a) Every electrically motorized board operated upon a highway during darkness shall be equipped with all of the following:

(1) Except as provided in subdivision (b), a lamp emitting a white light that, while the electrically motorized board is in motion, illuminates the highway in front of the operator and is visible from a distance of 300 feet in front of the electrically motorized board.

(2) Except as provided in subdivision (c), a red reflector on the rear that is visible from a distance of 500 feet to the rear when directly in front of lawful upper beams of headlamps on a motor vehicle.

(3) Except as provided in subdivision (d), a white or yellow reflector on each side that is visible from a distance of 200 feet from the sides of the electrically motorized board.

(b) A lamp or lamp combination, emitting a white light, attached to the operator and visible from a distance of 300 feet in front of the electrically motorized board, may be used in lieu of the lamp required by paragraph (1) of subdivision (a).

(c) A red reflector, or reflectorizing material meeting the requirements of Section 25500, attached to the operator and visible from a distance of 500 feet to the rear when directly in front of lawful upper beams of headlamps on a motor vehicle, may be used in lieu of the reflector required by paragraph (2) of subdivision (a).

(d) A white or yellow reflector, or reflectorizing material meeting the requirements of Section 25500, attached to the operator and visible from a distance of 200 feet from the sides of the electrically motorized board, may be used in lieu of the reflector required by paragraph (3) of subdivision (a).