Step down voltage regulator module use for powering your project from a 4.5V to 40V power source or battery by using this simple easy to use module which has adjustable output voltage range between 1.25 - 33V and a maximum output current of 3A. Input voltage: 4.5 to 40V Output ...Step down voltage regulator module use for powering your project from a 4.5V to 40V power source or battery by using this simple easy to use module which has adjustable output voltage range between 1.25 - 33V and a maximum output current of 3A. Input voltage: 4.5 to 40V Output voltage: 1.5 to 35V Output current: 2A (3A with a heatsink) Short circuit protection Adjustable output voltage