Specification:1 cm = 0.39 inWorking voltage: DC5V~30V, input anti-reverse connection protectionWated current: 5A, maximum current 15A Maximum power: 150WWorking frequency: 1KHz~99KHz adjustable, 1KHz step, default frequency of 20KHz, accuracy of about 1%.Duty cycle: 0-100%, 1% stepProduct size: 79mm*43mm*26mmColor:As PicturesPackage Included:1Pcs