[Parameter]: 30A DC Converter Power Supply Module, 20V-70V to 2.5V-58V [Intelligent temperature control fan]: when temperature rises,it starts 55 degrees,and when temperature decreases,it turns off 50 degrees [Protection]: Input MOS transistor anti-reverse;input low voltage protection [Applied for]: high-power solar street light driver; LED lighting constant current drive; vehicles and mobile devices; DIY power supply; solar charging power supply; various batteries charge, etc. [Hightlights]:output is constant voltage and constant current,and continuously adjustable Colour:blue Material:Metal + Plastic Package Contents: 1 Converters Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.