ITEM NAME:XL6019 5A Max Current DC to DC Adjustable Boost Power Supply Board Module #gib Product Description Description: Features: Conventional constant voltage output function: Internal MOSFET integration, with less peripheral devices. Wide input voltage range: the highest input voltage is up to 35V Adjustable output voltage: the highest output voltage is up to 40V Build-in over-temperature and Over-current protection: ensure the safety of circuit. Suitable for boosting power within 30W Specifications: Item: Boost Power Supply Board Module Input Voltage: DC 3-35V Output Voltage: DC 5-40V Efficiency: >90% Net Weight: 16g Size: Approx. 50 X 28 X 12mm/1.97 X 1.1 X 0.47in. Included: 1 X Adjustable Boost Power Supply Board Module.Build-in over-temperature andOver-current protection: ensure the safety of circuit. Suitable for boosting power within 30W. If item is defective after 3 months, you can still send it back to us. We will send you a new one after receiving the defective item.