ITEM NAME:1 pcs blue metal + PCB high current 2A SX1308 DC-DC adjustable boost module J3H8 1 pcs blue metal + PCB high current 2A SX1308 DC-DC adjustable boost module J3H8 VIN voltage input positive; GND voltage input negative; GND voltage output negative, OUT is the voltage output positive; two CND is interoperable, the four voltage input / output pads are 4mm * 4mm pad, Through hole diameter 1mm; 10K adjust the potentiometer, select the output voltage value through the potentiometer, adjust the counterclockwise output voltage increases; Color: blue Material: metal + PCB board Size: 2.28*1.59*1.32cm SS34 overload current protection Maximum input voltage: DC 2V-24V; Maximum output voltage: DC 2V-28V; Switching frequency: 1.2MHz; The maximum output current: 2A Package Contents: 1 X DC-DC adjustable boost module Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..The maximum output current: 2A.