Power Source:18V Battery
12V Car cigarette plug
100-240Vac to 12V DC adaptor
Motor Voltage:12 volts dc
No-load speed:Hi-2500rpm, Lo-1500rpm
Air volume:Hi- 450CFM, Lo-280CFM
Wattage:25 watts
Runtime:Hi-3.5hrs, Lo-10 hrs @18V 4Ah
Hi-1.5hrs, Lo-5 hrs @18V 2Ah
Fan diameter: 230mm /with 3x fan blades
Tilt adjustment:Yes, 0-360°
Recommend: 2000MAH Li-ion battery
+ 2.3A Quick Charger