uxcell Household Office USB2.0 19 Keys Numeric Code Keypad Keyboard PC Laptop Product Name : USB Numeric Keyboard;Support System : Windows 98SE,ME,2000,XP/Vista/os10.4ve Input Voltage : 5V DC;Keys Number : 19 USB Cable Length : 110cm / 43";Size : 14 x 10 x 1.5cm / 5.5" x 4" x 0.6"(L*W*T) External Material : Plastic;Color : Black, Silver Tone Net Weight : 99g;Package Content : 1 x USB Numeric Keyboard