Rechargeable mini air cooler Input voltage: DC7.5V Power: 9W Wind speed: about 4.5 m/s Air volume: about 60 m3/hr Water consumption: about 50 ml/hr Water tank capacity: 900 ML LED lights Windshield: high/low gear Wind direction: Louver type turning left and right (only for SF-3253B) Adjustable upper and lower blinds (only for SF-3253 & SF-3253B) DC motor 6V Rechargeable lead-acid battery 6V4AH Charging time: 12 hours operation hours : High-end wind: about 4 hours Low wind: about 6 hours Accessories: AC charger Input-AC100-240V 50/60Hz, output-DC7.5V 1.2A