1.Low Noise and high safety: Ultra-quiet fan to minimize the noise , and there is no high voltage, so its very safe and quiet. 2. Three gears for your choice: it's divided into three gears, cols,warm, heat, which better satisfies your needs. 3. Qulity quarantee: CE,LVD,EMC,ROHS certified 4.High speed: 2000r/s 5.Long life: 3000hrs 6.Instant heating: It'll heat when the button is on. Warranty: If there is any quality problem with the fan heater, we give one for you in free, after free-repairing time or the damage is caused by wrong-way operated, we will charge some costs fee. Quality problems and maintenance services, please contact our vendor points or manufacturers