A4tech G9-600

• Glass Run better than laser Technology - 30% power saving · Works even on slightly dusty glass
• DPI adjustment button: 800-1000-1200-1600-2000 DPI
• 16-in-One:16 programmable functions in one button
• 15 m operating range:Operating range up to 15 meters
(Note: the actual distance depends on the environment)

For more information about the product, kindly refer to the link: A4tech G9-600