1、Compact Size: The trackpad has a compact size of 99.97x83x12.6mm and the touch panel size is 60x45mm 2、2 Buttons: The USB touchpad has 2 buttons, which have left and right mouse button functions respectively 3、USB Interface: The computer touch pad has slide, touch, scroll and zoom functions. Plug and play USB interface, no driver required 4、Embedded Design: The mouse touchpad is embedded design with screw holes on both sides for easy fixing and long service life 5、Scope of Application: The portable trackpad is a wired touchpad with a 1.4m long cable. Compatible with laptops, desktops, all in ones. General purpose commercial use, industrial use Item Type: Trackpad Material: ABS Product Size: Approx. 99.97 x 83 x 12.6mm / 3.9 x 3.3 x 0.5in Touch Panel Size: Approx. 60 x 45mm / 2.4 x 1.8in DPI: 400 to 600DPI Line Length: 1.4meters/1.5yd Interface: USB Rated Value: 5V <50mA Working Method: Connect the Interface to a Terminal Instrument Such As a Computer, Click the Touchpad, the Cursor Will Move with the Sliding of the Finger, with the Functions of the Left and Right Buttons of the Mouse 1 x Trackpad