Features: The step down converter module delivers adjustable output voltages (3.3V 33V) with wide input ranges(5 30V/ 5 48V), supporting high current operations up to 2.2A for stable power supply in demanding applications. Featuring an LM2596HV chip and integrated heat sink, this compact module (5.1x2.6cm) ensures efficient voltages conversion, thermal management, and compatibility with hybrids inputs for flexible electronic designs. Ideal for electronics engineers, enthusiasts, and industrial technicians requiring voltages regulation for projects like LED driver, automotive systems, or portable device chargers. Perfect for powering low voltages equipment in workshops, laboratories, or automotive environments, such as boards, 12V/24V battery systems, or devices needing precise voltages control. Designed for durability, this module set includes two LM2596HV based converters with reinforced heat dissipation, enabling simultaneous multi device operations or backup redundancy in critical power management setups. Specifications: Component: Circuit Board Size: Approx. 2.01x1.02inch(5.1x2.6cm) Package Includes: 1x Power Supply Module Or 2x Power Supply Module note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.