Vuescape Wireless 19 Key Numberic Keypad Wireless with a 5 foot range allows you to move the keypad to where it suits you best 19 full-sized keys, including a Backspace key Num Lock is non-syncing, so it operates independently of your regular keyboard to allow for faster numeric data entry USB plug-n-play capability, meaning no hassle with drivers or installation software Great way to make data entry more comfortable and better on your back, neck, and shoulders by preventing the need to hunch over the keyboard to enter numbers