SDTC Tech 5pcs DC-DC Boost Converter 2V-24V to 5V-28V 2A Adjustable Voltage Regulator Micro USB 5V 9V 12V 24V Step Up Power Supply Module

"Name: Mini DC-DC Adjustable Boost Converter Voltage Regulator Input Voltage: DC 2V-24V Output Voltage: DC 5V-28V, Suggest to use within 26V for long time work Max Output Current: 2A, Suggest to use within 1A for long time work Note: 1. This is a boost converter module, the output voltage should be 2V higher than the input voltage at least. 2. Before power on, please rotate the potentionmenter with 15 cycles in clockwise direction. Package Include: 5pcs Mini DC-DC 2-24V to 5V-28V Adjustable Boost Converter Module"