Model Number: ELS WM-551Colour: BlackWireless Technology: 2.4GhzInput Rating: 1.5VUSB Interface:Nano ReceiverButton Life: 3 Million CyclesWarranty: 6 MonthsElista ELS WM-552 Wireless MouseSKU: 1911₨1,450.00PriceQuantity*Out of StockNotify When Available