Input Voltage: 5-32V (do not exceed 38V); Output Voltage: 0.8-24V (continuously adjustable) Input Current: 0-5A (recommended to use less than 3.5A for extended operation); Output Power: 75W (maximum). Enhanced cooling is required when output exceeds 50W. Operating Temperature: -40C to +85C. Features power indicator light and overheat protection; does not include reverse voltage protection. Utilizes high-power magnetic encircling inductance and high-current driver chip, achieving up to 92% conversion efficiency. Compact size, high power output, and high efficiency. Suitable for DIY mobile power supplies, vehicle power systems, communication equipment power, LED power supplies, and similar applications.Features: Name: DC-DC 5A Step-Down Power Supply Module Type: Non-isolated step-down module Rectification Mode: Non-synchronous rectification Input Voltage: 5-32V (do not exceed 38V) Output Voltage: 0.8-24V (continuously adjustable) Input Current: 0-5A (recommended to use less than 3.5A for extended operation) Output Power: 75W (maximum) Operating Frequency: 300KHz Conversion Efficiency: Up to 95%, depending on input voltage, output voltage, current, and dropout voltage Load Regulation: 0.8% Voltage Regulation: 0.8% Power Indicator: Yes Overheat Protection: Yes, automatically cuts off output at high temperatures Reverse Voltage Protection: No (if required, add external high-current diode) Installation: Uses 2x3mm screws Connection Method: Soldering; V-IN for input, V-OUT for output Incorporates high-power magnetic encircling inductance and high-current driver chip. Compact design with high power and efficiency. Ideal for use in DIY mobile power, automotive power systems, communication equipment power, LED lighting power, and other electronic applications.Package Includes: 3 x 5A XL4005E1 Step-Down Buck Regulator Power Supply Modules Color: As shown in picture Size: 43.18 x 20.83mm