Yobett 12A/100W 4.5-30V to 0.8-30V DC Buck Volt Converter Step Down 12V Car Power Supply Voltage Regulator Brand New with High Quality Module properties: non-isolated step-down module (BUCK) Input Voltage: DC 4.5-30V Output Voltage: DC 0.8-30V ,Output Current: 0-12A, 100W (if enhance heatsink, can reach 200W) Operating temperature: -40c to +85c