-Upto 65% Power and Cost Savings. -Whisper-Quiet Motor Operation with Smooth Start-Stop. -7-Speeds, Timer, Eco Mode, and Multiple-Fan Management Options in a Single RF-Remote. -Widest Working Voltage Range of 90V-300V. -Prolonged Motor Lifespan, No Need For Capacitors and Regulators. -Precision Sealed Bearing For Long Lasting. -Best Quality Anti Dust Powder Coating Is Used. -No Inflammable Material Is Used. -Safety Wire And Safety Pin Ensure More Protection.