'Return the current fan mode.'

@property
def current_fan_mode(self):

    speed = self.wink.current_fan_speed()
    if ((speed <= 0.4) and (speed > 0.3)):
        return SPEED_LOW
    elif ((speed <= 0.8) and (speed > 0.5)):
        return SPEED_MEDIUM
    elif ((speed <= 1.0) and (speed > 0.8)):
        return SPEED_HIGH
    return STATE_UNKNOWN
