The S18 mouse is a MASTERPIECE created by AULA Gaming Gear. The design model which is the hallmark of this Tarantula brand scratches a beautiful lamp like a car model list made. Charming light switching, RGB lighting effects with stand-alone firing button. You can adjust or change the weight of the mouse weight, the included weight is 4x4.5g to adjust the weight of the mouse by turning and opening the bottom cover of the mouse to increase or decrease the weight. With custom function, macro programming and save to mouse. With dual mode function, back button + right click often press to switch office/game mode, game mode with suppressor gun function, preset 10 types of weapons, DPI and scroll to adjust Y range of gun pressure, DPI+roll+middle button to adjust pressure gun X amplitude. This AULA S18 RGB Backlit 7 Button Wired Optical Gaming Mouse has 01-Year Warranty.