Logitech G603 Wireless Hero Sensor with 500 Hour Battery Life and 12000 DPI: With its ground-breaking HERO sensor and LIGHTSPEED wireless technology, the PLAY WITHOUT LIMITSG603 sets a new benchmark for wireless gaming while providing incredibly accurate and reliable performance along with a battery life breakthrough. WLAN 12,000 MAX DPI 500 HOUR 1 BATTERY LIFE MAY DIFFER DETERMINANTLY