The module is Step-Up, so the input voltage is lower than Output (12V)

★ Input voltage: 1.5-6V
★ Input current: 1.5A MAX
★ Output voltage: 12.2V ± 0.2V
★ Output Power: 5W or less long-term
★ Tested: 3.7V to 12V/240ma; 5V to 12V/360ma
★ Dimensions Approx: 16mm (L) x 33mm (W) x 6mm (H)
There are holes for female USB in the input, output is manufactured for 5mm cable terminals

Connection:
IN+ Input Positive
 IN- Input Negative
 + DC OUTPUT is Output Positive
★ - DC OUTPUT is Output Negative