100% brand new and high quality
           Feature:
Overvoltage Protection
Over current protection
Over temperature protection
Short-circuit protection and automatically  resume to work
          Specification:
Quantity:1PC
input voltage: 12V-24V
Output voltage: 5.0V
Output current: 3A
Output power: 15w
Conversion efficiency: 96%
Red line  is positive, black line is negative
Length of  input line is 3M and output line is 20cm.