DC To DC Step Down Buck Converter Module DC 4.5-24V To 0.8-17V 3A Also With Fixed Voltage Selection

From the shop's description

Mini DC-DC 12-24V To 5V 3A Step Down Power Supply Module Voltage Buck Converter Adjustable Efficiency 97.5% Feature: Input Voltage: DC 4.5-24V Output Voltage: integration adjustable and fixed output,back side can choose fiexd output voltage Adjustable Range: 0.8-17V,fixed voltage (1.8V 2.5V 3.3V 5V 9V 12V) Output Current: 3A (max),actual testing input 12V output 1.5A Transform Efficiency: 97.5%(max) (6.5 to 5V 0.7A) Switch Frequency: 500KHz Output Ripple Wave: 20mV (12V to 5V 3A) 20m band width Operating Voltage: -40 Celsius-85 Celsius Output Overvoltage Protection: no Static Current: 0.85MA Load Adjust Rate: ±1% Voltage Adjust Rate: ±0.5% Dynamic Response Speed: 5% 200uS Output Short Circuit Protection: yes Input Transposition Protection: no Enable Control: yes Connecting Type: soldering Input Way: soldering Output Way: soldering/pin Soldering Hole Space: 2.54mm