Features 1、High quality material can make sure the durability and stability of the product 2、The pin has good contact performance, ensure stable working 3、Reasonable structure and design, the product has high use safety performance 4、The typical conversion efficiency is 85% for excellent performance 5、Including 2pcs step up module, convenient to replace Specification Item Type: Step up Module Maximum Input Current: 1.2A Long Time Input Current: 1A Conversion Efficiency: 80-90% Input: 3V 1A; output 12V 220mA Input: 3.3V 1A; output 12V 250mA Input: 3.7V 1A; output 12V 280mA Input: 4.5V 1A; output 12V 340mA Input: 5V 1A; output 12V 370mA Input: 6V 1A; output 12V 450mA Working Frequency: 1.0MHz Typical Conversion Efficiency: 85% Lead Pitch: 2.54mm Size: Approx. 20.5 x 10.5 x 5.6mm / 0.8 x 0.4 x 0.2in Package List 2 x Step up Module