GREATER DURATION AND POWER. PERFECT ERGONOMICS AND AIR BALANCE. NOISE REDUCTION THROUGH AN INCORPORATED SILENCER. NEGATIVE IONS ENSURE HAIR SHINE AND SOFTNESS. -IONIC AND CERAMIC SYSTEM -OUTPUT: 2150 WATT -AIR FLOW: 79 CUBIC METERS/HOURS -MOTOR: K-LAMINATION WATT 135, 18 MM BRUSHES, LIFE2200 HOURS -OZONE FRIENDLY NO HARMFUL EMISSIONS.