Features: 【Wide Input voltages Ranges】Supports a broad input voltages ranges from 3.7V to 15V battery voltages (input voltages must be lower than the output voltages), accommodating multiple power sources. 【Multiple Output voltages Options】Offers various output voltages choices (9V, 12V, 15V), allowing users to select according to specific requirements for high flexibility. 【High Power Output】 Delivers output power of 12W, suitable for driving various electronic devices such as LED lights and development boards. 【High Efficiency】Employs high-efficiency boosting technology with conversion efficiency exceeding 90%, effectively reducing energy loss and extending battery running time. 【Wide Application】Widely applicable across multiple fields including power banks, wireless devices, portable auditory systems, and automotive electronics, providing users with a stable power solution. Specifications: [Component]: PCB [Product size]: 50x19x8.5mm/1.96x0.74x0.33in [Product weight]: 8g [Input voltages]: 3.7V~5V (9V output), 3.7V~15V (12V, 15V output) [Output current]: 1A (input 5V and output 12V) [Output power]: 12W [Conversion efficiency]: to 91% [Applicable scenarios]: portable electronic devices; Vehicle equipments；LED lighting Package Includes: 1PC Power module converter 1PC Packaging bag note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.