Features: Compatibility with 4-8S batteries, supporting up to 400A current output, suitable for various multirotors aircraft. The PDB distribution board design makes power management more convenient, effectively preventing circuit overloads and improving the overall stability of the aircraft. The design of multiple set of electrical adjustment pad facilitates connection and installation, help improve the electrical adjustment layouts, and improves flight efficiency. Quality, resistant to highly temperatures and corrosion, ensuring safe and stable operatione of circuit and extending their service life. Easy to use, easy installation, suitable for aircraft enthusiasts and professional aircraft maintenance personnel to use. Strong flexibility, suitable for various four Axes drones and other multirotors aircraft, providing multiple interfaces option. Specifications: Component: Metal+PCB Size: about 56x56x5mm/2.20x2.20x0.2inch Note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution. Package includes: 1pc 400A 4-8S Power Distribution Board