... -70% ,super-micro droplets 15-18um 2.DC/AC220v power adapter 3.CE,ROSH, low pressure sprayer Advatanges:1. Cooling ,temperature drop 3 ... -5 degree,add humitity 50-70% ,super-micro droplets 15-18um..2.Rainproof,oscillation ... ,CQCApplication:usually for cooling,temperature drop,industry&agriculture,etc. low pressure sprayer