2 PCS HW-064 XL4015 DC Adjustable Step-Down Module 1. Type: Voltage Regulator IC 2. Conversion efficiency: 96% 3. Features: High power, high efficiency, low ripple, with power indicator, free heat sink 4. Module nature: Non-isolated step-down module (BUCK) 5. Input voltage: 4-38V (please try not to exceed 38V for input) 6. Output voltage: 1.25-36V continuously adjustable 7. Output current: 0-5A 8. Output power: 75W 9. Working temperature: -40 to 85 degrees Celsius 10. Working frequency: 180KHz 11. Wiring mode: welding, V-IN is input, V-OUT is output 12. Load regulation rate: Input 24V, output 12V, measured when the load changes from 1 to 4.5A 13. Voltage adjustment rate: When output 12V, 4A, when the voltage changes from 18~32V 14. Short circuit protection: Limit current 8A 15. Over-temperature protection: Automatically shuts off the output after over-temperature 16. Installation method: 2 3mm screws 17. Application range: Step-down fields where the input voltage is higher than the output voltage, such as batteries, power transformers, DIY adjustable stabilized power supplies, 24V car pen meter power supplies, industrial equipment step-down, 12V to 3.3V, 12V to 5V, 24V to 5V, 24V to 12V, 36V to 24V, etc. 18. Dimensions: 54x23x15mm