ITEM NAME:DC-DC Boost Step up Conversion Module MicroUSB 2V-24V to 5V-28V 9V 12V 24V SEAU Can be easily installed in a variety of small devices. Use Micro USB input,USB charger or mobile power through the data line,to get 9V,12V,15V,18V,24V Portable and easy to use. Ultra wide input and output voltage, high conversion efficiency. Product size:3cm×1.7cm Input voltage: 2 v--24v Max output current: 2Aï ¼Ë†Recommended for use within 1Aï ¼â€° Max output voltage: > 28 V (recommended for use within 26V) Efficiency: > 93% (efficiency is related to the differential pressure of input and output). 1) this module is a boost module, the output voltage is greater than the input voltage 2) the peak current output current is no more than 2A 1 x Boost Module Can be easily installed in a variety of small devices. Use Micro USB input,USB charger or mobile power through the data line,to get 9V,12V,15V,18V,24V Portable and easy to use. Ultra wide input and output voltage, high conversion efficiency. Product size:3cm×1.7cm Input voltage: 2 v--24v Max output current: 2Aï ¼Ë†Recommended for use within 1Aï ¼â€° Max output voltage: > 28 V (recommended for use within 26V) Efficiency: > 93% (efficiency is related to the differential pressure of input and output). 1) this module is a boost module, the output voltage is greater than the input voltage 2) the peak current output current is no more than 2A 1 x Boost Module.(Efficiency: > 93% (efficiency is related to the differential pressure of input and output). 1 x Boost Module. 2) the peak current output current is no more than 2A. Portable and easy to use.