Wide input voltage range 3.0V 40V, adjustable output 1.5V 35V to meet diverse power supply demands; Supports maximum 3A continuous output current with high conversion efficiency, low heat generation; Compact module design with potentiometer for easy manual voltage fine-tuning without extra tools; Pack of 5 modules for multi-channel DIY electronic projects, experimental circuits and device modification; Built-in overheat, short-circuit and over-current protection to safeguard connected electronic components