Module Feature: Non-isolation booster Rectifier system: Not synchronous rectifier Input voltage: 4.3V - 32V Output voltage: 5V - 52V Input current: 4A (maximum) Color: As shown in the picture Transfer efficiency: Up to 94% Normal efficiency: 85% Switching frequency: 400KHz Output ripple: 50mV Load regulation: ±0.5% Voltage regulation: ±0.5% Operating temperature: -40°C to +85°C Function key: 1) Short press: Switch between input and output display options 2) Moderate press: Enter fine-tuning mode; increase or decrease offset (default is 0), used when voltage display is inaccurate. Short press to adjust, long press to restore default 3) Long press: Activate low power consumption mode; digital display and indicator lights turn off while module remains operational. Press again to restore normal display Clockwise adjustment: Increases output voltage Counterclockwise adjustment: Decreases output voltage Material: Metal Package Contents: 1 x Step-up Module Note: Other products are not included. Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement error allowance: +/- 1-3cm.