Unimprinted - Show people that you have the best options in products with this multi-function 8-inch ruler calculator. Just detach to measure what you need. On top of those combined uses, this also features a 16-city world time alarm clock, a countdown timer alarm, and a calendar. Batteries are included. Add your company name or logo via pad print or SpectraCal (TM) for a fantastic promotion that will get your audience excited!