Beacons, luminous; [ Cell phone straps; Discharge tubes, electric, other than for lighting; ] Flashing and steady safety lights; Flashing safety lights; Light emitting diodes (LEDs); Neon signs; Radios; Remote control telemetering machines and apparatus; [ Satellite navigational system, namely, a global positioning system (GPS); Satellite-aided navigation systems; Tablet computer; Tablet computers; ] Transponders; [ Electric discharge tubes, other than for lighting; ] Electric light dimmers; ...