. PN: 920-009824 English keys only!!!!!!! Specs & Details Dimensions Keyboard Height 149 mm Width 441 mm Depth 18 mm Weight (with batteries) 498 g Mouse Height 99 mm Width 60 mm Depth 39 mm Weight (with batteries) 75.2 g Nano receiver Height 23.1 mm Width 18.7 mm Depth 6.1 mm Weight 1.8 g Technical Specifications WiFi range (in meters) 10 meters Keyboard SilentTouch Technology Adjustable keyboard height Spill-resistant design 2.4GHz wireless (10 meters) Nano USB receiver Caps lock indicator light On/Off power switch 2 AAA batteries（Alkaline Battery） Mouse SilentTouch Technology Contoured compact shape Smooth, responsive cursor control On/off power button 1 AA batteries (Alkaline Battery） Sustainability Graphite plastics 24% post-consumer recycled material Certified carbon neutral