1.Cooling ,temperature drop 3-5 degree,add humitity 50-70% ,super-micro droplets 15-18um 2.DC/AC220v power adapter 3.CE,ROSH, Sprayer fan Advatanges:1. Cooling ,temperature drop 3-5 degree,add humitity 50-70% ,super-micro droplets 15-18um..2.Rainproof,oscillation,height adjustable,DC/AC220v power adapter.3.Low nosie,easy to operation and maintain,less power consumption.4.Simple and useful,more ...