DC-DC Step-up Power Module with Voltmeter LM2577

Features:

This DC-DC power module has a Segment Displays as voltmeter, you can press the button to shift displaying input/ouput
Memory the last voltage;
Long press the button for 3 seconds to disable the LED display, light touch button to anable the LED display;
The maximum output current can reach 2.5A;

Specifications:

Module properties: non-isolated module
Input voltage: 3-34 v
Continuous adjustable output voltage: 4-35 (v)
Output current: 2.5 A (MAX)
Input current: 3 A(MAX)
Module size: 49 x26 (mm)