1.New Model design 2. Added the function of 揊ar infrared rays? 3.LCD panel shows time+ working voltage + ion strength + 5 working modes 4.Equipped with auto-electric disconnection 5. Strong package of aluminum box (1).A switch in back of machine is to adjust 110 voltage or 240 voltage (2).VOLTAGE: 110V/240V POWER: 15W AMPERE: 0.1A AC FREQ: 50/60HZ