Features: Four USB output, convenient for connecting multiple USB devices to meet different application requirements. Additional driver are needed, and users can automatically identify and use the device by simply connecting it to the USB port. Support for USB 2.0 standard, the transmission rate can reach 480Mbps, and it is suitable for various fast speed applications. The module size is small, which is convenient to be integrated into various devices and saves space. Excellent energy efficiency, reduce energy consumption at work and reduce operating costs. Specifications: Component:ABS Size:Approx.71x37mm. Power module isolation: 1500V. ADUM3160 isolation: 2500V. Output power supply: B0505S power is 1W Power supply: taken from the USB port of the computer host. Operating environment: -40℃-85℃. Package Includes: 1Pc USB Isolation Board note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.