1pcs LM2596 Step Down Module DC to DC Adjustable Buck Converter Voltage Regulator Conversion Power Supply Module LM2596 High Efficiency Voltage Regulator : This DC to DC Converter is a high efficiency voltage regulator, ensuring optimal power conversion and efficiency for your device. Versatile Application : With an application range of 3.0-40V to 1.5-35V, this converter is versatile and can be used with a variety of devices, making it a practical choice for computer use. Adjustable Power Conversion : The LM2596S Buck Converter is adjustable, allowing you to customize the power conversion according to your device's needs, providing flexibility and control over your power supply. Integrated Circuits Category : Falling under the Integrated Circuits category, this product is designed for efficient and reliable power management, making it an ideal choice for electronics design. Durable Design : Originating from Mainland China, this product benefits from high-quality craftsmanship, ensuring durability and long-lasting performance. Compact Size : Its compact size makes it easy to handle and install, making it an ideal choice for various electronic devices. Input: DC 3 V to 40 V (input voltage must be 1.5 V higher than the output voltage, no boost) Output: DC 1.5 V to 35 V voltage is continuously adjustable, maximum output current is 3 A Steps: connect to power source, adjust the swirl button on the blue potentiometer and monitor voltage with multimeter to get the needed voltage (The factory have tested these at max voltage so they are very high by default, takes about 15-20 turns CCW before the voltage starts ramping down) Features: all use SANYO solid-state capacitors, 36 u thickening circuit boards, high-Q inductance with LED indicator output Quantity: 1 pieces; Size: 45*20*14mm _x000D_