XH-M403 digital voltage and current regulator module XL4016 high-power 8A DC voltage regulator 12V24V Regulator mode: PWM modulation Input voltage: DC4-40V Output voltage: DC 1.25-36V Maximum current: 8A Maximum power: 200w Conversion efficiency: 94% Switching frequency: 180KHz Dimensions: 78 * 63 * 40mm Other functions: short circuit protection, current measurement