Brand Name: 1UP DIRECT Logitech Model: G502 Origin: CN(Origin) Type: Wired Certification: CE Number of Rollers: 1 Gross Weight: 250g DPI: 24600 Package: Yes Number of Buttons: 11 Operation Mode: Opto-electronic Style: Finger Time to market: Apr-14 Model Number: G502 Hand Orientation: Right Interface Type: USB Can the buttons be set:: YES Can the lights be adjusted:: YES Can the weight be adjusted: YES