ITEM NAME:AMS1117 5V module - voltage regulator STEP DOWN power unit supply Description&Preview.2 output: 5.0V (+ - 0.05v error), 800mA (load current can not exceed 800ma). 5 input and output using 2P single row of pin, easy to connect;. You can follow below process to chontact us. 6 with power indicator (red).