Logitech R800 2.4Ghz USB Wireless Presenter PPT Remote Control Flip Pen

1. Laser color: green light 2. Connection method: USB receiver 3. Wireless frequency: 2.4GHz 4. Control distance: 30 meters 5. Laser power: less than 1mw 6. Power supply mode: 2 AAA batteries (not included) 7. Compatible system: Windows Vista, Windows 7, Windows 8, Windows 10 or higher 8. Dimensions: 135 x 38 x 28mm