Features 1、Volt Converter: The buck and boost converter can convert DC 5V to DC 3.3V 9V 12V 24V, which will provide you with stable power supply. 2、Adjustable Use: Moreover, the converter module used multi turn adjustable potentiometer to regulate the voltage with higher accuracy. 3、Simple Testing: Besides, the power converter with digital display can also test the positive voltage and current, useful and reliable. 4、The Protection: When the output voltage is less than 0.8v, there will be undervoltage protection LVP. When the output current is greater than 2A, there will be overcurrent protection OcP. In case of overpower use, there will be overpower protection OPP, which will automatically turn off the output. LCD backlight flashes and displays corresponding protection. 5、Easy to Install: Comes with a light weight and a compact size as well, the convenient installation can be quickly completed in minutes. Specification Item Type: Buck Boost Converter Note: This product is not a high power power supply, please use it within the power range. Power: Package List 1 x Buck Boost Converter