model: ACO-5501(air flow can not adjustabe)
volts: 220-240V/50hz
power: 2W
air folw: 1.3L/min
out put: 1 way
noise: <40dB
size:125X57X52mm
------------------------------------------------------------------------
model: ACO-5503
volts: 220-240V/50hz
power: 4W
air folw: 3.5L/min
out put: 2way
noise: <40dB
size:147×75.5×65.5mm