ACCURATE RESPONSIVE OPTICAL SENSORControl like you are in the gameGet maximum tracking accuracy from our most responsive optical sensor (PMW3366). Exclusive Logitech G Delta Zero optical sensor technology minimizes mouse acceleration and increases reliable targeting. Switch DPI modes on the fly—choose from five settings from 200 to 12,000 DPI*. BALANCE AND WEIGHT AT YOUR CONTROLIt’s your mouse the way you like itCustomize to your advantage. Five 3.6g weights come with your Proteus Spectrum. Use some or all of them in the positions where you like more weight, or less. This mouse can be tailored to your preferences. PROGRAMMABLE RGB LIGHTING16.8 million colors to choose fromAdjustable RGB lighting lets you select from up to 16.8 million colors. Use Logitech Gaming Software to choose lighting color and brightness to match your style, system or environment. You can also set your lighting to sleep when you aren’t using your system.Logitech Gaming Software also lets you synchronize lighting patterns and effects with other Logitech G devices so your devices can display the same lighting and bring your gaming setup to life with breathing or light cycling light patterns.