Key information
Razer has launched the Basilisk V4 Pro and V4 HyperSpeed gaming mice, introducing a software capability called Perfect 180. This feature enables users to map a 180-degree turn to a specific mouse button, a function Razer claims provides competitive FPS players an advantage when reacting to threats from behind.
Designed primarily for players using low sensitivity, the tool is configurable via the Synapse software. Users can customize the turn direction and adjust the count configuration for specific titles, allowing for rapid movement that would otherwise be difficult to execute manually at lower sensitivity settings.
PC Gamer contributor Wes Fenlon notes that while this is an official feature rather than third-party software, it resembles past controversies like Snap Tap. Fenlon characterizes the function as a turn assist that operates outside the game's native mechanics, suggesting that such rapid movement could be perceived by other players as suspicious or akin to cheating.
The introduction of Perfect 180 raises questions regarding the acceptability of hardware-led movement assists in competitive gaming. While the feature does not provide direct aim assistance, its ability to automate rapid character orientation remains a subject of debate regarding its impact on fair play.


