This step up converter is made of , which can withstand use. Features the PCB material, which has high durability, not easy to deform. Fine workmanship, ensures practicality. Features -Color:Multi -Material:PCB, electronic components -Size:1.10X1.05X0.75cm/0.43X0.41X0.29in Input voltage: 0.9-5V Output voltage: 5V Maximum output current: 480mA Start-up voltage: 0.8V Output current: 7MA Output: Input 1-1.5V, output 5V 40-100MA; input 1.5-2V, output 5V 100-150MA; input 2-3V, output 5V 150-380MA; input more than 3V, output 5V 380-480MA Working frequency: 150KHZ Typical conversion efficiency: 85% Pin pitch: 2.54mm - A good substitute adjustable voltage regulator board for your broken or worn out one. - Easy to connect terminal, female connector can provide stable connection. - Note: The input voltage cannot be greater than the nominal voltage, otherwise the module will be burned out. - Special design and it is in fine craftsmanship. It is the best replacement for your old, broken one. - It is manufactured with professional technology to ensure the product can work for a long time. Package list: 5 up modules