California Code, Penal Code - PEN § 417.25

(a) Every person who, except in self-defense, aims or points a laser scope, as defined in subdivision (b), or a laser pointer, as defined in subdivision (c), at another person in a threatening manner with the specific intent to cause a reasonable person fear of bodily harm is guilty of a misdemeanor, punishable by imprisonment in a county jail for up to 30 days. For purposes of this section, the laser scope need not be attached to a firearm.

(b) As used in this section, “laser scope” means a portable battery-powered device capable of being attached to a firearm and capable of projecting a laser light on objects at a distance.

(c) As used in this section, “laser pointer” means any hand held laser beam device or demonstration laser product that emits a single point of light amplified by the stimulated emission of radiation that is visible to the human eye.