This BEC is an switching power supply and in series an linear LDO (LM1764A) to remove the output ripple.
Input and output is protected by Panasonic FC / FM capacitors.
Input 4-14S LiPo / max. 60V
Output 12.0V (+/- 0.1V) / 3A max.
Input and output cable 2x 20cm 24AWG (red/black)
54mm x 21mm x 14mm / 16g with cables and shrinking tube.