- Touchless to prevent the spread of bacteria and the cross infection of the disease.- High quality infrared sensor for automatic activation- Low noise, health, safety and energy saving- Running costs are up to 70% less than other hand dryers and up to 98% less than paper towels.- Dolphy hand dryers use 85m/s speed of air to scrape water from hands like a windscreen wiper, drying them quickly and hygienically in less than 15 seconds.