Features ADJUSTABLE VOLTAGE: The module after IN+ and -2~24V, the IN adjustment potentiometer can adjust the output voltage, the output voltage is higher than the input voltage TECHNICAL PARAMETERS The maximum output current is 2A, the input voltage is 2V~24V, the maximum output voltage is 28V, the efficiency is more than 93%. Total 5 pieces: the package contains a total of 5 booster modules, enough for you to replace and use, very convenient. Practical and practical: the product is small and powerful, useful and practical, offers great convenience for your life DURABLE MATERIAL: Made of high quality material of excellent quality, durable for a long service life Specification: Item Type: Boost Module Material: plastic, copper, iron Package List: 5 x Boost Modules Package List 5 x Boost Module