ITEM NAME:LM2596HV DC-DC Step Down Buck Converter Module 12V-48V to 5V Phone Charger #gib Store Home Promotion Hot Item Add to Fav.1 X LM2596HV DC-DC Step Down Buck Converter Module. Modular nature: non-isolated step-down module. Working temperature: industrial grade (- 40℃ to + 85℃). Due to the different display and different light, the picture may not show the actual color of the item.