Logitech MK540 Wireless Keyboard Mouse Combo (920-008671) Accessories_Cables 2-year battery life practically eliminates

2-year battery life practically eliminates the need to replace batteries Battery life may vary based on user and computing conditions

26:1 Video Full HD No Analog signal format system NTSC

patch panels and other high performance networking applications

LED Indicator: 1000M Link/Act

Logitech MK540 Wireless Keyboard Mouse Combo (920-008671) Accessories_Cables 2-year battery life practically eliminatesItem model number: 920 008671 USB Wireless RF Keyboard Black USB Wireless RF Mouse Optical 1000 dpi 3 Button Scroll Wheel QWERTY Media Player, Calculator, On Off Switch, Battery Hot Key(s) Symmetrical AA Compatible with Desktop Computer (Windows, Chrome OS)