Product Description: This is a synchronous switching controller for KM USB, which can realize KM switching function or timing function; supports a set of USB keyboard, the mouse can control multiple computers, or separate control, data command synchronization, can adapt to a variety of complex application environments. The device has signal processing and transmission capabilities to make the transmission signal smoother and more stable. It is a reliable, high-performance and efficient USB switching method. Features: Easy to install, plug and play, no need to configure. Support USB2.0 full speed technology, speed up to 12Mbps, no need to drive. Compatible with Windows / Linux / Android / MAC and other operating systems. It can be switched by hotkey mode and timing button mode, which is convenient and quick. Support mouse screen: both a synchronizer and a switch for KM. Built-in ESD electrostatic protection circuit to protect the system in all aspects. Mouse crossover function, hot key switching Mouse and keyboard synchronization control, mouse and keyboard switching control. Specifications: Product name: for KM USB synchronous switching controller Shell material: metal Input interface: USB-B port (square USB port) Output interface: USB A port Control PC number: 4 sets (8 sets) (16 sets) Spread speed USB2.0 tec full speed hnology Operating temperature range: -5~+65C Operating humidity range: 5~90% RH uncompressed) Compatible systems: for Windows/Linux/ Android OS/Netware KVM Function: Mouse and Keyboard Sharing Package List: 1 * Controller 1 * Instruction Manual 4 * USB Cable Note: Please read the English manual for detailed operation.