Features 1、High-quality materials can ensure the durability and stability of the product 2、Typical conversion efficiency is 85%, which can achieve excellent performance 3、Reasonable structural design, the product has high safety performance 4、The pin has good contact performance, ensure stable working 5、Including 2pcs step up module, convenient and simple to replace Specification Item Type: Boost Module Input Voltage: DC3-6V Maximum Input Current: 1.2A Long-Term Input Current: 1A Conversion Efficiency: 80-90% Output Current: 50mA Input: DC3V 1A Output: DC12V 220mA Input: DC3.3V 1A Output: DC12V 250mA Input: DC3.7V 1A Output: DC12V 280mA Input: DC4.5V 1A Output: DC12V 340mA Input: DC5V 1A Output: DC12V 370mA Input: DC6V 1A Output: DC12V 450mA Working Frequency: 1.0MHz Typical Conversion Efficiency: 85% Package List 2 x Boost Module