Its step up Module. It will increase the input voltage to a desired level. Like 5 to 12v, 5 to 24v, 12 to 24v etc
 Name - 6009 module.
minimum voltage to operate is 3-4v.
maximum voltage is 30-40v aprox.
max current - 2 Amps.
Suitable for 365,385 motor and up to low current consumption motor like max 2A.