AC/DC rechargeable evaporative cooling fan and ionizer(AC/DC with touch-type digital control panel/remote control/ionizer)MODEL: SF-3259Input voltage: AC100V, 110V, 120V, 127V, 220V, 230V, 240V 50Hz/60HzPower consumption: 70WFan speed: about 10.5m/sAir flow: about 550 cubic meters / hourIon density about: 3X106ion/cm3 (optional, unit price is not included)Water evaporation: 500ml/hrCooling system: honey cooling medium to achieve the best cooling effectLED control panelRemovable water tank capacity: 30LitersMotor: DC 12V brushless motorFan mode: high/medium. /lowTimer control: 1-8 hoursRemote control distance: approx. 5 metersWind direction: manual vertical movement, automatic horizontal movementFour durable castersBattery type: Rechargeable and replaceable sealed lead-acid battery 12V/7.7AhBattery charging time: 12 hoursBattery runtime:High speed with cooling function-about 2 hoursMedium speed with cooling function-about 3.5 hoursLow speed with cooling function-about 5 hours