The Numeric USB Numeric Keypad and Calculator offers desktop and notebook users an instant benefit of a full-sized, external numeric keypad in a compact form. You will not worry to install drivers as it uses USB Plug-and-Play technology. It also features a wide LCD screen and additional function keys to use with or without a PC. You can retract the USB cable and use the built in calculator at anytime. It is slim and portable, definitely designed for mobile professionals.
Large LCD display.
8 calculator functional hot keys: MRC, TAB, %, MODE, M-, M+, +/- and SEND
Support plug and play and hot swapping
Two-Way Power System for calculator mode uses PC power, in addition to one A13 battery (LR41)
Auto power off after 4 minutes from the last key entered.
Selectable Rounding from among floating-point, cut off, round off and Add Mode
Limited Warranty: One year from invoice date with Directron.com. 30-Day money back from receiving date with 15% restocking fee for non-defective returns on current market price. No credit or refund after 30 days. Customer is responsible for returning defective products including DOA due to manufacturer unless testing is paid before shipping. (queenie013111)