Field-glasses; Gun scopes; Infrared detectors for use in military, law enforcement, civil, scientific and industrial applications; Lasers for industrial use; Lasers for measuring; Radiation-measuring instruments; Reflex sights for firearms; Rifle scopes; Sighting telescopes for firearms; Tactical laser sights; Telescopic sights for firearms; Flashing bicycle safety lights; Flashing safety lights for helmets; Meat thermometers