no smoking sign

no smoking sign Now more and more people are aware of the harm of smoking. To protect their people from the harm and to have a good environment, countries have make laws to prohibit people smoking in public places. With technique of photoelectricity, sound and simulating fog, this Sign has an excellent audio-visual result in reminding and warning people not to smoke in public places which results an excellent social effect. Suitable for using in schools, stations, wharfs, shops, malls and banks etc