Features: - 100key wireless keyboard - Totally Wireless freedom - 2.4GHz FSK Autolink technology - 34 two way R F channels - Operation distance of 6~10 meters for mouse and keyboard - 800~1200~1600 DPI optical precision switchable - 3 level power saving mode - Auto on/off RF output design - Nano receiver for this combo Dimensions: Key Board size: 345.5*134.5*37.5mm; 6 months Limited Warranty Axxel Marketing is committed to delivering products of the highest quality. In the rare event that your product experiences a defect, our one-year limited warranty is here to help. This warranty covers any faults in workmanship and materials under normal, domestic use and when the care instructions are followed. Please note that the warranty does not cover accidental damage, normal wear and tear, damage caused by misuse or neglect.