Ultra Quiet Negative Bladeless Tower Fan Products are shipped according to the color or size of the main image on the product page. : Blue : - Safe to use, especially suitable for families with small children. Bladeless design to avoid accidental cutting of children's hands by rotating blades. -- And it's more stable than traditional fans because it's lighter. -- Eco-friendly ABS material, durable and long service life. -- saving, the energy consumption is half of that of ordinary conventional fans. - Stable performance. The working life of the brushless motor engine is not less than 35,000 hours. --Easy to clean, save you a lot of trouble in cleaning. s: Item Type: Fan : As shown : AC Rated Voltage: V : 40-50db Timing Function