About this item Input voltage range: DC 3.2V to 35V (input voltage must be higher than the voltage output to 1.5V or more cannot be boosted.) Output: 1.25V to 30V DC voltage is continuously adjustable, high efficiency with a maximum output current of 3A. All solid capacitors used. 36u thick circuit boards. High-Q inductors with high power output LED indicator. Dimensions: 1 x 1 x 1 inches.