Laser Gaming Mouse - 5600 DPI - 9 Buttons - Adjustable Multi-Color LEDRAZER - High Precision 3.5G Laser Gaming Mouse - Lachesis Refresh - RZ01-00170500-R3G1Equipped with the revolutionary 5600dpi Razer Precision 3.5G LaserTM sensor, the Razer LachesisTM gaming mouse returns in a fresh look and even more lethal precision and accuracy than ever. Its nine programmable HyperesponseTM buttons, its 1000Hz UltrapollingTM with 1ms response and the new customizable lighting make it a formidable weapon in your arsenal of destruction. Beat the snot out of your buddies and look cool doing it.Specifications:? 5600dpi Razer PrecisionTM 3.5G laser sensor? Adjustable Multi-Color LED (Up to 16 million colors)? Variable true dpi setting adjustments in increments of 125dpi? 60KB Razer SynapseTM onboard memory? Nine independently programmable HyperesponseTM buttons? 1000Hz Ultrapolling / 1ms response time