We are offering dc fans. dc fans generally work with a voltage of 12v. It has 3 level control of speed. It has higher flexibility, energy- efficiency, lower noise and longer service life. for 6w- dc fans generally work with a voltage of 12v. It rotates at 1600rpm at high speed and has 3 level control of speed. It has higher flexibility, energy- efficiency, lower noise and longer service life. Its size is 10 inch and type is table top. specifications : wattage : 6 wattvoltage : 12vsize : 10 inchtype : table topspeed : 1600rpm in high speedcontrol : 3 level timer : nocase material : absfor 10w- dc fans generally work with a voltage of 12v. It rotates at 1350rpm in high speed and has 3 level control of speed. It has higher flexibility, energy- efficiency, lower moise and longer service life. Its size is 12/16 inch and type is pedestal with a timer for 60minutes. specifications:wattage : 10 wattvoltage : 12vsize : 12/16 inchtype : pedestal speed : 1350 rpm in high speedcontrol : 3 leveltimer : 60 minutes case material : abs+ railsurface treatment