ITEM NAME:12/24V to 5V 8-40V DC-DC Step-down Buck Adjustable Power Converter Module New Descriptio n Description: 100% brand new Made of high quality material Practical and durable Fine workmanship Long service life Specifications: Model: 4003ADJ Output Power: Less Than 100W Voltage Conversion: Other Use USB: No Adapter Type: DC / DC Non-Isolated Step-Down Power Supply Input Voltage: 8-40V, 3V Minimum Differential Pressure Output Voltage: 3.3V-24V Adjustable Output Current: MAX 3A, Recommended For Long-Term Operation At Lower Currents Output Short Circuit Protection Transmission Efficiency: > 85% Connection Method: Input: Red (+), Black (-) Output: Yellow (+), Black (-) Body Size: Approx. 4.5 * 2.5 * 2.1cm (Length * Width * Height) Protection Function: Input: Reverse Connection Protection; Output: Short Circuit Protection, Over Current Protection And Over Temperature Protection Working Temperature: -25-65 Â ° C, Limit Temperature: -40-80 Â ° C Package Included: 1 *Â DC-DC Step-down Adjustable Power Converter Module Note: 1.Due to the manual measurement and different measurement methods, the actual size could be slightly different. 2.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. High quality buy, happy buyï ¼ 12/24V to 5V 8-40V DC-DC Step-down Buck Adjustable Power Converter Module New.1 DC-DC Step-down Adjustable Power Converter Module. Protection Function: Input: Reverse Connection Protection; Output: Short Circuit Protection, Over Current Protection And Over Temperature Protection.