Features: Brand new and high quality This versatile power supply can convert DC input voltages ranging from 5-30V to adjustable DC±3-30V output, making it perfect for a wide range of applications. With a maximum conversion efficiency of up to 89%, this compact device is both powerful and efficient, delivering up to 20W of power depending on your specific needs. Ideal for electronic hobbyists, audio enthusiasts, and professionals in need of a reliable and flexible power supply solution. Whether you're powering ADC/DAC amplifiers, RS232/RS485/RS422 buses, low-power audio equipment, or even automotive sound systems, this power supply has got you covered. Made from durable ABS material and weighing in at just 33g, this power supply is built to last and easy to transport wherever you go. Specifications: Product Description: Input DC3.6-30V Output DC ± 3-30V adjustable Maximum output power: 20W (output power varies depending on the situation, please refer to the minimum table for details) Maximum conversion efficiency: 68-89% Static working current: 2.5mA Size: 60 x 34 x 15mm Weight: 33g (with terminals), 29g (without terminals)(optional) Typical application: ADC/DAC/transport amplifier power supply RS232 RS485 RS422 Package Includes: 1 x Voltage Converter note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!