Environmentally-friendly calculator with upper and lower casings made from 100 recycled plastic. Ergonomic design with antimicrobial plastic keys. Luminous fluorescent display is brighter than LCD in low light. Power Source(s): AC; Display Notation: Numeric; Number of Display Digits: 12. Part Numbers:CNM-4642B001 CAN-C MP27-MG GREEN CONCEPT TWO-COLOR PRINTING CALCULATOR, 12-DIGIT FLUORESCENT UPC: 013803126334