ITEM NAME:Durable Quality DC-DC 12V To 3.3V 5V Step down Power Supply Module Gw.Output: 3.3V (+ - 0.05v error), 5.0V (+ - 0.05v error), 800mA (load current can not exceed 800ma), 12V (12V input directly converter to the output). PCB board size: 3.5cm 3.5cm.