Logitech G603 Lightspeed Wireless Gaming Mouse – Lightspeed Wireless delivering a 1 ms report rate – Logitech Hero optical sensor – 200 to 12,000 DPI – Advanced power management, switch between low latency 1ms and power saving 8ms modes – Lightspeed & Bluetooth connectivity – Up to 500 hours of gameplay with 2xAA batteries – Six programmable buttons – 910-005103 – 2 Years Limited Warranty