ITEM NAME:12/24V to 5V 8-40VDC-DC Step-down Adjustable Power Converter Module hv2n Product Description Description: 100% Brand new and high quality Specification: Model: Fulree 4003ADJ Output power: Less than 100W Voltage conversion: Others With USB: No Adapter type: DC/DC Non-isolated step-down power Input voltage: 8-40V, 3V Minimum differential pressure Output voltage: 3.3V-24V adjustable Output current: MAX 3A, suggest long-term work under smaller current Output short circuit protection Transfer efficiency: ï ¼Å¾ 85% Method of connection: Input: Red (+), Black (-) Output: Yellow (+), Black (-) Main body size: Approx. 4.9*2.5*2.0cm (L*W*H) Protection function: Input: reverse connection protection; Output: short circuit protection, over current protection and over temperature protection Working temperature: -25-65 ℃, Limited temperature: -40-80 ℃ Included: 1 x Step-down Adjustable Power Converter.Protection function: Input: reverse connection protection; Output: short circuit protection, over current protection and over temperature protection. Included: 1 x Step-down Adjustable Power Converter.