Features: Expand your connection with this 4 port USB hub designed for Lab devices, offering seamless plug and play functionality to connection multiple peripherals simultaneously. Featuring built in power and protections against overvoltage, overcurrent, and short circuits, this compact and efficient hub ensures safe, stable operating with its small footprint and easy cable management. Ideal for 3D printing enthusiasts and office users who require reliabled accessory expansion for Lab printers or computers. Perfect for enhancing workspaces organization home offices or 3D printing studios by neatly routing cables and expanding device connection. With strong compatibility for Lab equipment and other devices, this USB hub provides versatile application scenarios without any driver installation. Specifications: Item：4 port USB hub Component: PCB good heat resistance and durability Equipped with LED light Size about 12x2.6cm/4.72x1.02in for Lab devices, Package Includes: 1PC 4 port USB hub note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution