... 3. Easy use 4. Eco-Friendly Product Photo Aerosol Dispenser:This aerosol dispenser uses digital circuit and infrared coding tech and it ... , low power consumption, high efficient and easy to use. The dispenser is widely used in hotel, office, restaurant, airport, stadium, casino ... , bus&railway station, cinema, family and other public place. The dispenser can be hung at higher place because it is set ...