Description: Item Name: Voltage Converter Output Module Support Input Voltage: 7.4V ~ 40 V Output Voltage: 5V (not adjustable) Output Current: 2A max, 1A recommended for long-term use Plug: JSTNote: Adaptive charging current. For example, if the USB (Universal Serial Bus) table lamp uses a current of 0.5A, its output current is 0.5A, & the mobile phones charging current is 1A, its output current is 1A. Package Included:1x Voltage Converter Output Module