DC to DC Buck Converter High Power Step Down Car Power Supply Voltage Regulator Features:100% Brand new and high qualityOver heat protectionShort current protecionLarge currentInput Voltage: 4.5v-28vOutput Voltage: 0.8v-28vit is for Step down voltage application. for example battery, power transformers, DIY adjustable voltage regulatorIt is a good choice for youSpecifications:Color:SilverSize:60* ...