Features 1、CONVENIENT TO USE WITH 2 SYSTEM SETS: This module is very convenient to use, there are 2 sets of systems, you only need to plug in USB or micro USB, under the power system (PER), you can output adjustable voltage from 1.2V to 24V at will 2、VOLTAGE AND CURRENT MEASUREMENT: Power is 2‑3W, under the meter system (VAH), the regulator can measure voltage and current like a multimeter 3、MULTI FUNCTION: Converter can also test power, capacity and time, very suitable for technical engineer research and development, debugging instrumentation, after sales engineer travel maintenance, etc. 4、RELIABLE PCB MATERIAL: Adopt good quality PCB materials, with reliability and miniaturization, good maintenance and interchangeability 5、STABLE POWER SYSTEM: Power system support PER input 3.5V~12V, output 1.2V~24V, possess stable structure and excellent performance Specification Item Type: Buck Boost Power Supply Module Material: PCB Power System PER: Input 3.5V~12V, output 1.2V~24V Power: 2-3W Package List 1 x Buck Boost Power Supply Module