Go for multifunctional, high tech and trendy at your next promotional event with this Robot Series (R) Evolution Calculator/Clock. Each digital LCD alarm clock also features an eight digit calculator, world-time listings and perpetual calendar. Two button cell batteries are included and installed for your convenience. A compact 3 1/2" square closed unit will feature your color imprint for an easy way to put your brand in pockets, briefcases, desk drawer and beyond! Enjoy a lifetime guarantee and the assurance of a QCA certified supplier. Connect with your tech-savvy clients and colleagues with a smart investment in cutting edge advertising!