USB 2.0 KVM 4-Port Switch Box

ตัวแปลงKVMตัวนี้เวลาใช้งานต้องเสียบไฟเลี้ลงusbไปด้วยนะคะ ขอบคุณค่ะ 4-Port USB KVM Switch Box 200MHz 1920x1440 4 in 1 out Switcher Features: 1. 4-Port KVM Switch (KVM Cables Are NOT Included). 2. Control four PCs with a single set of keyboard, mouse, and monitor. 3. Compatible with XGA, SVGA, VGA, and UXGA. 4. Manual Push Button Switching. 5. No Power Required. 6. Easy installation, just plug and play. 7. FCC and CE certified. 8. Supports DOS, Win3.X, Win95/98/98SE/2000/ME/XP/7/8, WinNT, Netware, Unix, Linux.