... -18um 2.DC/AC220v power adapter 3.CE,ROSH, Sprayer fan Advatanges:1. Cooling ,temperature drop 3-5 degree,add humitity ... .Low nosie,easy to operation and maintain,less power consumption.4.Simple and useful,more competetive . 5.CE,ROSH,CCC,CQCApplication ... -I-012-B4010-181253-6<10optionalMF-I-012-C7520-252506-12<20optional sprayer fan