USB Numeric Keypad with 19 Full-size keys

nMANHATTANModel176354DetailsMouse IncludedNoKeyboardKeyboard InterfaceUSBNormal Keys19Keyboard ColorBlackDimensions4.5 x 3.125 x 0.5 in.TypeWiredOS / System RequirementOperating System SupportedWindows 2000/XP/Vista/7 compatibleFeaturesFeaturesAsynchronous number lock function operates independently of computer keypad for faster numeric data entryScissor (X-structure) key switches reduce typing noise, improve response and provide low-profile keystrokesUltra slim and lightweight - ideal for notebook computer usersNumber Lock LED indicator