【Versatile Adjustable Output】 Converts 4.75V-40V input to an adjustable 1.23V-38V output, ideal for various DIY electronics, Arduino, and Raspberry Pi projects. 【High Efficiency & Stable Performance】 Delivers up to 3A current with 92% efficiency, reducing energy waste and heat generation. 【Compact & Durable Design】 Small footprint (43x21x14mm) with a sturdy PCB, perfect for space-constrained applications. 【Reliable Power Regulation】 Features a 150KHz switching frequency for smooth and stable voltage conversion. 【5-Pack Bundle】 Great value with 5 buck converters, ensuring spares for multiple projects or replacements. 5 Pack Adjustable Buck Converter Module – 4.75V-40V to 1.23V-38V, 3A Max, 92% Efficiency – Compact & Reliable Power Supply for DIY Electronics Upgrade your electronics projects with this 5-pack of high-efficiency DC-DC buck converter modules. Designed for versatility, these step-down voltage regulators accept a wide input range (4.75V-40V) and provide an adjustable output (1.23V-38V), making them ideal for powering microcontrollers, LED strips, Arduino, Raspberry Pi, and other DIY electronics. With a maximum current output of 3A and 92% conversion efficiency, these modules minimize power loss while delivering stable performance. The 150KHz switching frequency ensures smooth operation, and the compact size (43x21x14mm) allows easy integration into tight spaces. Key Features: ✔ Wide Input Range (4.75V-40V) – Compatible with various power sources. ✔ Adjustable Output (1.23V-38V) – Fine-tune voltage for different applications. ✔ High Efficiency (92%) & 3A Max Current – Reliable power delivery with minimal heat. ✔ Compact & Lightweight (43x21x14mm) – Fits easily in DIY projects. ✔ 5-Pack Value Bundle – Perfect for multiple projects or backups. Whether you're a hobbyist, engineer, or maker, these buck converters provide a cost-effective and efficient solution for your power regulation needs.