MODULO12

 Modulo per Arduino USB Charger 9V/12V/24V to 5V 2A DC-DC Step Down Buck Converter Voltmeter Module   Input voltage: 7.5-28V Output : 5V/3A Conversion efficiency: 96%(Max) Switching frequency: 1.5MHz(Max) Typical 1MHz Working temperature: -40℃ - +85℃ Load capacity: 3A(Max) Typical 2A Size: 42*16*5mm   Package Included: 1 x  DC-DC 9V/12V/24V to 5V USB Step Down Power Module 2A Precise Vehicle Charger