Easy to install, plug and play. 3 buttons, including scroll wheel, left button, right button It adopts ergonomic design which is suitable for most people's hand feeling and ensures you cannot feel fatigued after working for a long time. Compatible for 98 / xP / Vista / 7 / 8 or latest. Intelligent connectivity, no need to code, plug and play. Powered by AC adapter. LED indicator. No software driver Used for teaching showing, bond/finance/ broadcasting and wall selling, etc. Super far transmission distance:30m High clarity: the maximal DPI is up to 1920*1080 Bandwidth:150MHz Input:100-240V AC 50/60Hz Computer Connections: 1 Ports Monitor Connections: 4 Ports Model Number: Video Switch Splitter Interface Type: VGA Function: 4 Ports KVM Switc Type: Wired Operation Mode: -electronic Style: Mini Number of Rollers: 1 Model Number: Game Mouse Power Type: Rechargeable Hand Orientation: Both Hands DPI: 1200 Key number: 3 Connection way: USB cable Application: Desktop,Laptop,For Video Game ,For Home Use colour:black Material:ABS Size:9cm x 5cm x 3cm (L*W*H)/119*75*40mm Package Contents: 1*Computer Mouse 1*Video Switch Splitter Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. SET2: 1*Computer Mouse + 1*Video Switch Splitter Compact, light weight, portable size. Conveniently applied to VGA/SVGA/XGA Multisync Monitors, LCD, projector, etc in pair. and high quality! This is a high performance video switch splitter, which lets the signals from one computer splitted to 2/4 monitors, projectors, etc in high quality.