BEC Arduino LM2596 DC-DC step down modul

DC-DC converter LM2596 step down modul max 3A in:4.5V-35V out:1,25-30V Specs: Input voltage :4.5V-35V Output voltage: continuously adjustable (1,25V-30V) Output Current: 3A (MAX) Module size: 49 (mm) x26 (mm) Input mode: IN + input positive level, IN-input negative