ITEM NAME:5x HC-05 ce1101 led module 1.8v-5v to 3.3v power step-down step-up converter Gw.2 in 1 DC-DC Step-Down & Step-Up Converter module. 5pcs Step-Down & Step-Up Converter module. Input power must be greater than the output power, because the power consumption of the module itself. No load input current : 0.65mA.