This is a DC to DC step up module.
Interface:
- IN+: Positive of Input terminal
 - IN-: Negative of Input terminal
 - OUT+: Positive of Output terminal
 - OUT-: Negative of Output terminal
 
Specification:
- Input voltage range: 2V -24V (Note: please make sure the output voltage is larger than the input voltage, otherwise, the module will be damaged.)
 - Output voltage range: 5V - 28V
 - Max Input Current: 2A
 - Size: 3.6 cm x 1.7 cm x 1.4cm