Manroz fan brand - made in England Model. CF100S/CF200S The performance requirements of the fan device are designed based on the voltage of 220 to 240. Also, the input power of the device is based on 50 Hz, and due to the fact that the device has the ability to work continuously, it can always be connected to the power source. The direction of the air flow should be according to the arrows on the body of the device. The device does not need to be placed on the ground or chassis. The maximum pressure is 120 pascal, the fan speed is 1400 rpm. Volume: 45 decibels CF200