The MW136 external power series features a 100-250 VAC universal input and is available in both desktop and wall-mount styles. All models are single output ranging from 23 watts to 60 watts of power. There are eight models in the family ranging from 3.3 volts to 24 volts. The power supply line meets all medical safety agency requirements, complies with EMI/RFI standards, and features CE compliance. With an enclosure made of impact-resistant polycarbonate, the MW136 comes in standard dimension of 3.92L x 2.58W x 1.61H (inches).