Input voltage range: DC 5-30V; output voltage range: DC 0.5-30V, continuously adjustable; output current up to 3A for continuous use, can reach 4A with enhanced heat dissipation; maximum output power 35W, up to 50W with improved cooling Safe Protection: Input reverse polarity protection prevents damage from incorrect connection; output anti-backflow protection eliminates the need for an external diode during charging; multiple software-based protection mechanisms with adjustable thresholds; automatic output shutdown when parameters exceed safe limits Thermal Performance: Low output ripple with filtering capability; equipped with a thick heatsink; integrated boost design LCD Display: Shows input and output voltage, output current, output power, output capacity, and output time; module can be set to default ON or OFF state Wide Application Range: Can be used as a buck/boost converter with over-current protection; suitable for high-power LED constant current driving; ideal for DIY solar charge controllers and battery charging applications Material: Metal + ABS Color: Black Package Includes: 1 x Voltage Regulator Note: Other items not included. Color may vary slightly due to lighting and display differences. Measurement tolerance: +/- 1-3 cm