Backlit keyboard and mouse combo, enableing the use while in low light or dark conditions! The keyboard comes equipped with 4 different settings for the backlight LEDs, Red, Blue, Purple or off. The keys on the keyboard are laser cut, so no more key labelling being rubbed off due to excessive use. The mouse is also has a 3 colour backlit logo. With a choice of 3 different settings for the mouse resolution (800/1600/2000), giving the user the option to choose between speed and precision. Note: to change the LED Colour press and hold the function button then press the SL key. Specifications Keyboard Dimensions:  493 x 210 x 36mm Keyboard Weight:  0.814Kg Mouse Dimensions:  77 x 118 x 38mm Mouse weight:  0.095Kg LED Colours: Red, Blue, PurpleCable Length Keyboard 1.47m excluding connector, Mouse 1.35m excluding connector OS Compatability: Windows XP - 10 & Linux What's In The Box: USB Wired Keyboard USB Wired Mouse