CA Veh Code Section 21223

(a)

Every motorized scooter operated upon any highway during darkness shall be equipped with the following:

(1)

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

(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)

A white or yellow reflector on each side visible from the front and rear of the motorized scooter from a distance of 200 feet.

(b)

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

(c)

A red reflector, or reflectorized 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).